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Worksheets

Solving Equations Practice

Total questions: 191

Worksheet time: 8hrs 42mins

Name
Class
Date
1.

Write the word sentence as an equation. The quotient of a number c and 14 is 5.

a)

c ÷ 14 = 5

b)

c • 14 = 5

c)

14c = 5

d)

14 - c = 5

2.

You purchase w items for $8 each. The total cost is $64. Write an equation that you can use to find w.

a)

8 ÷ w = 64

b)

8 - w = 64

c)

8w = 64

d)

8 + w = 64

3.

Tell whether c = 3 is a solution of c + 7 = 10.

a)

yes

b)

no

4.

Solve the equation. x + 3 = 19x\ +\ 3\ =\ 19  

(a)  

5.

Solve the equation. b  8 = 14b\ -\ 8\ =\ 14  

(a)  

6.

The perimeter of the square is 25 meters. Write an equation you can use to find the value of z. (m stands for meters.)

a)

4z = 25

b)

4 ÷ z = 25

c)

4 + z = 25

d)

4 - z = 25

7.

The perimeter of the figure is 72 meters. Solve for x. (m stands for meters.) Only put the number for your answer. Don't include the m.

(a)  

8.

You spend $44 on a game, receive $30 for painting a fence, and give $5 to your friend. You have $32 left. How much money did you start with?

(a)  

9.

Solve the equation. 8 = 4z58\ =\ \frac{4z}{5}  

a)

z = 2

b)

z = 4

c)

z = 8

d)

z = 10

10.

Solve the equation. 6n = 306n\ =\ 30  

a)

n = 24

b)

n = 5

c)

n = 36

d)

n = 1/5

11.

Tell whether (5, 10) is a solution of y = 6x - 18.

(a)  

12.

The equation ℎ = 15݀ represents the height h (in millimeters) that a plant grows after d days. Identify the independent and dependent variables.

a)

independent variable; d

dependent variable; h

b)

independent variable; h

dependent variable; d

13.

Fill in the blank so that the ordered pair is a solution of y = 6x + 7.

( (a)   , 25)

14.

You have $16 and earn $0.50 for each cup of orange juice you sell. Write an equation that represents the total amount A (in dollars) you have after selling j cups of orange juice.

a)

A = 16 + 50j

b)

A = 16 + 0.5

c)

A = 16 + 0.5j

d)

J = 16 + 0.5a

15.

An endurance athlete jogs at a rate of 9 miles per hour. How many minutes does it take for the athlete to jog 1.2 miles?

(a)  

16.
The sum of a number x and 4 equals 12. Choose the Correct equation.
a)
x + 4 = 12
b)
4x = 12
c)
12 + 4 = x
d)
12x = 4
17.
 k + 6 = 18 
k = ______
a)
12
b)
24
c)
108
d)
1
18.
40 = 4y
y = ________
a)
160
b)
44
c)
10
d)
36
19.
The product of 14 and a number v is 44.
a)
14+v=44
b)
44v=14
c)
14v=44
20.

The sixth grade has $1579 in its class trip fund. The total amount needed for the trip is $7300. Write an equation you can use to find the amount that needs to be raised for the trip.

a)

1579a=7300

b)

a+1579=7300

c)

a=7300 + 1579

21.
Solve the equation. Check your solution. 
x - 3 = 14
a)
11
b)
17
c)
25
22.
Solve the equation. Check your solution. 
 
c / 10 = 15
a)
135
b)
150
c)
3/2
23.
You get in an elevator and go down 7 floors.You exit on the 24th floor. Write and solve an equation to find what floor you got on the elevator.
a)
f-7=24 ; You got on the elevator on the 31st floor.
b)
24-7=f ; You got on the elevator on the 17th floor.
c)
f + 7 = 24 ; You got on the elevator on the 1st floor.
24.

Tell whether b=4 is a solution of b+6=11

a)

yes

b)

no

25.

Tell whether z= 65 is a solution of z ÷\div  5 = 13

a)

yes

b)

no

26.

The perimeter of a square is 40 inches. Write an equation to find the value of x.

a)

x = 40 ÷\div 2

b)

4x = 40

c)

x = 40 - 4

27.

The perimeter of this shape is 15 in. Write an equation to find the value of x.

a)

x = 15 + 11

b)

15 = 11 - x

c)

11 + x = 15

28.

The area of this rectangle is 48. What is the value of x?

a)

x = 16

b)

x = 45

c)

x = 8

29.
What is the inverse operation of division?
a)
Division
b)
Multiplication
c)
Addition
d)
Subtraction
30.

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

a)

Divide both sides by 11

b)

Multiply both sides by 11.

c)

Add 11 to both sides.

d)

Subtract 11 to both sides.

31.
What would be the best first step to solving the equation?
-6x=-24
a)
multiply both sides by -6
b)
divide both sides by -6
c)
add 6  to both sides
d)
subtract -6  from both sides
32.
What would be the best first step to solving the equation in one step?
a)
multiply both sides by 3
b)
multiply both sides by -3
c)
divide both sides by -3
d)
add 3 to each side
33.
Which equation has w = 8 as the solution?
a)
8w= 64
b)
16w = 240
c)
16 - w = 9
d)
4 + w = 10
34.
Solve for x:
a)
x = 20
b)
x = 7
c)
x = 10
d)
x = 3
35.
Word that means opposite.  We use this word when talking about "un-doing" an equation to solve it. 
a)
Reciprocal
b)
Operation
c)
Inverse
d)
quadrant
36.

Solve for y in the following equation:

y3 =12\frac{y}{3\ }=12  

a)

36

b)

-36

c)

4

d)

-4

37.

8y = 48

(a)  

38.

What is the first step to solve for b:

2b = -16

a)

add 2 to both sides

b)

subtract 2 to both sides

c)

multiply 2 to both sides

d)

divide 2 to both sides

39.

What is the first step to solving this equation?

a)

add -8 to both sides

b)

subtract -8 to both sides

c)

Multiply -8 to both sides

d)

divide -8 to both sides

40.
22y=440
a)
18
b)
19
c)
20
d)
21
41.
Which equation has x=9 as a solution
a)
4 + x = 12
b)
5x = 45
c)
2x = 20
d)
x + 7 = 26
42.
Which equation has w = 8 as the solution?
a)
8w= 64
b)
16w = 240
c)
16 - w = 9
d)
4 + w = 10
43.
Which equation has x =2 as a solution?
a)
3 + x = 10
b)
11 + x = 13
c)
4x = 32
d)
5x =25
44.
What is the inverse operation of division?
a)
Division
b)
Multiplication
c)
Addition
d)
Subtraction
45.
What is the inverse operation of subtraction?
a)
Subtraction
b)
Multiplication
c)
Division
d)
Addition
46.
What is the correct step to solve for the variable?
15 = m - 5
a)
add 15 to both sides
b)
add 5 to both sides
c)
subtract 15 from both sides
d)
subtract 5 from both sides
47.
x - 62 = 123
How should you show your work to isolate the variable and solve the equation?
a)
Add 62 to each side. 
b)
Subtract 62 from each side.
c)
Multiply each side by 62.
d)
Add 123 to each side.
48.

What is the solution of r - 11 = 5

a)

11

b)

14

c)

15

d)

16

49.

What is the solution of 42 = 7f

a)

294

b)

49

c)

35

d)

6

50.
Solve for k:
6k = 30
a)
k = 36
b)
k = 24
c)
k = 180
d)
k = 5
51.

x - 34 = 76 ... Solve for x. (type only the number)

(a)  

52.

x + 34 = 76 ... Solve for x. (type only the number)

(a)  

53.

13x = 78 ... Solve for x. (type only the number)

(a)  

54.

x / 5 = 35 ... Solve for x. (type only the number)

(a)  

55.

Which equation(s) have x = 5 as a solution?

a)

x + 15 = 20

b)

14x = 70

c)

x - 5 = 10

d)

x - 7.3 = 2.3

e)

x + 2.3 = 7.3

56.
10x = 90
a)
x = 80
b)
x = 100
c)
x = 10
d)
x = 9
57.

x - 8 = 5

a)

13

b)

-13

c)

3

d)

-3

58.

Solve the equation

6w = 24.

a)

w = 144

b)

w = 18

c)

w = 4

59.

What is the opposite operation of addition?

a)

addition

b)

subtraction

c)

multiplication

d)

division

60.

w + 6 = 11

a)

w = -5

b)

w = 17

c)

w = 5

d)

w = -5

61.

What is the opposite operation of multiplication?

a)

addition

b)

subtraction

c)

multiplication

d)

division

62.

What is another word for equivalent.

Check ALL that apply

a)

Opposite

b)

Equal

c)

The Same

d)

Multiply

63.

2y+5=17

a)

y=16

b)

y=1

c)

y=6

d)

y=24

64.

a/12+24=27

a)

a=9

b)

a=36

c)

a=4

d)

a=32

65.

10n-8=32

a)

n=4

b)

n=14

c)

n=41

d)

n=400

66.

x/6-4=96

a)

x=12

b)

x=24

c)

x=600

d)

x=64

67.

Match the sentence with the correct equation:

15 increased by y equals 29

a)

15 -y=29

b)

15+y=29

c)

y/15=29

d)

15y=29

68.
Write an equation for the model above.
a)
x + 3 = -9
b)
x - 3 = 9
c)
3x + 1 = 9
d)
3x - 1 = 9
69.
 Identify the variables in the following expression:  4x + 2y - 6
a)
4, 2, -6
b)
-4 and x
c)
X and Y 
d)
-6
70.
What equation is modeled?
a)
3 = 6
b)
3x = 6
c)
x = 6
d)
3 = 6x
71.
a)

term

b)

coefficient

c)

variable

d)

constant

72.
a)
term
b)
coefficient
c)
variable
d)
constant
73.

Which equation matches the picture above?

Key:

Cup= C

Snowflake =1

a)

c = 4

b)

1 + 1 = 8

c)

2 = 8

d)

2C = 8

74.

Which equations matches the picture?

Key:

Birdhouse=B

Cardinal =1

a)

3B + 1 = 6

b)

B + 3 = 6

c)

1 + 3 = 6

d)

6 = 3B + 1

75.

Using the model, write the equation.

a)

6 = 2+x;

b)

6 = -2x;

c)

-6 = 2x;

d)

6 = 2x;

76.

Which equation matches the picture above?

a)

t = 3

b)

t + 4 = 7

c)

1 + 4 = 7

d)

4t + 1 = 7

77.
Write the equation for the model.
a)
10=2-x
b)
-10=-x+2
c)
-10=x-2
d)
-10=x+2
78.
Write the equation for the model.
a)
-6x=-30
b)
6x=-30
c)
6=-30
d)
-6x=30
79.

x + 9 = 21

(a)  

80.



(a)  

81.

11b + 7 = 40

(a)  

82.

3c + 5 = 23

(a)  

83.

4x + 7 = 23

(a)  

84.

    2x + 6 = 14

(a)  

85.

6p - 5 =13

(a)  

86.

 2x - 3 = 1 

(a)  

87.

3c + 5 = 20

(a)  

88.

m21=2\frac{m}{2}-1=2  



(a)  

89.

A mathematical sentence stating that two expressions are EQUAL

a)

variable

b)

expression

c)

equation

90.

In math, this basically means opposite

a)

inverse

b)

equation

c)

expression

d)

constant

91.

A letter used to represent a number value in an equation

a)

term

b)

coefficient

c)

variable

92.

A number that does not change (it stands alone without any variable attached)

a)

constant

b)

coefficient

c)

variable

93.

5y = 7 is an example of an ____________

a)

expression

b)

equation

94.

In 8r + 3 , the CONSTANT is ___

a)

8

b)

r

c)

3

95.

In 8r − 3 , the VARIABLE is ___

a)

8

b)

r

c)

-

96.

To solve an equation, the goal is to __________ the variable on one side.

a)

Evaluate

b)

Leviate

c)

Isolate (To get alone)

97.

A letter or symbol that represents an unknown value is called ______________.

a)

Variable

b)

Radicand

c)

Constant

98.
Pairs of operations that undo each other
a)
inverse operations
b)
solution
c)
inequality
99.

What is the inverse of addition? (+)

a)

Subtraction (−)

b)

Division (÷)

c)

Multiplication (×)

100.

What is the inverse of subtraction? (−)

a)

Addition (+)

b)

Division (÷)

c)

Multiplication (×)

101.

What is the inverse of multiplication? (×)

a)

Addition (+)

b)

Division (÷)

c)

Multiplication (×)

102.

What is the inverse of division? (÷)

a)

Addition (+)

b)

Subtraction (−)

c)

Multiplication (×)

103.

What is the solution in this equation?

a)
b)
c)
104.

What is the variable in this equation?

a)
b)
c)
105.

What is the operator in this equation?

a)

+

b)

r

c)

12

106.

y + 65 = 182

a)

y = 107

b)

y = 117

c)

y = 247

d)

y = 123

107.

4x = 72

a)

x = 18

b)

x = 68

c)

x = 288

d)

x = 62

108.

z - 33 = 234

a)

z = 267

b)

z = 231

c)

z = 317

d)

z = 281

109.

r/6 = 18

a)

r = 12

b)

r = 68

c)

r = 104

d)

r = 108

110.

x + 3.7 = 9.2

a)

x = 12.9

b)

x = 5.5

c)

x = 6.5

d)

x = 7.2

111.

x/2.7 = 18

a)

x = 48.6

b)

x = 58.6

c)

x = 15.3

d)

x = 44.2

112.

x - 82.1 = 3.65

a)

x = 11.86

b)

x = 79.25

c)

x = 91.75

d)

x = 85.75

113.

x + 2/3 = 8/9

a)

x = 1/3

b)

x = 2/9

c)

x = 14/9

d)

x = 5/18

114.

7y = 180.6

a)

y = 25.8

b)

y = 30.2

c)

y = 1264.2

d)

y = 23.8

115.

m + 5.44 = 17

a)

m = 4.86

b)

m = 22.44

c)

m = 13.86

d)

m = 11.56

116.

3a = 197.7

a)

a = 194.7

b)

a = 65.9

c)

a = 57.9

d)

a = 68.2

117.

r/1.5 = 2.4

a)

y = 3.6

b)

y = 2.4

c)

y = 3.9

d)

y = 1.6

118.

m - 18.2 = 5.64

a)

m = 11.7

b)

m = 12.56

c)

m = 23.84

d)

m = 33.8

119.

6a = 468

a)

a = 462

b)

a = 78

c)

a = 74

d)

a = 68

120.

d/23.6 = 9

a)

d = 2.146

b)

d = 14.6

c)

d = 212.4

d)

d = 186.4

121.

What is the solution of 9 + k = 18

a)

18

b)

9

c)

8

d)

7

122.

What is the solution of r - 11 = 5

a)

11

b)

14

c)

15

d)

16

123.

What is the solution of 3w = 30

a)

6

b)

9

c)

10

d)

12

124.

What is the solution of 13 = t + 7

a)

5

b)

6

c)

7

d)

20

125.

What is the solution of a - 5 = 9

a)

14

b)

9

c)

5

d)

4

126.

What is the solution of 10 = t - 8

a)

2

b)

4

c)

18

d)

20

127.
Solve for p:
11p = 121
a)
11
b)
12
c)
110
d)
456
128.
Solve for q:
q + 8.25 = 18
a)
q = 807
b)
q = 2.181818...
c)
q = 9.75
d)
q = 97.5
129.
Solve the equation.
150 + y = 879
a)
y = 729
b)
y = 150
c)
y = 1,029
d)
y = - 729
130.
17 = x + 3
a)
x = 20
b)
x = 14
c)
x = 13
d)
x = 19
131.
x + 12 = 20
a)
x = 32
b)
x = -32
c)
x = 8
d)
x = -8
132.
4 + b = 30
a)
-34
b)
34
c)
-26
d)
26
133.
x - 32 = 49
a)
x = 17
b)
x = 71
c)
x = 81
d)
x = 49
134.
y - 4.6 = 12
a)
16.6
b)
5.8
c)
7.4
d)
Answer not Given
135.
10x = 90
a)
x = 80
b)
x = 100
c)
x = 10
d)
x = 9
136.
Solve for x:
a)
x = 20
b)
x = 7
c)
x = 10
d)
x = 3
137.
Which equation has x = 5 as the solution?
a)
x + 15 = 10
b)
2x = 5
c)
2x = 10
138.
y - 14 = 66
a)
80
b)
52
c)
79
d)
Answer Not Given
139.

y + 51 = 99

a)

140

b)

150

c)

48

d)

Answer not Given

140.
13 + k = 25
a)
-12
b)
12
c)
-38
d)
38
141.

Which choice models this situation?


Lisa finished a race in 58 seconds. This was 4 seconds faster than her best practice time. What was Lindsey's best practice time?

a)

t + 4 = 58

b)

t - 4 = 58

c)

4t = 58

d)

t/4 = 58

142.

Which choice models this situation?


At Pierce County Middle School, there are 5 art classes with 24 students in each class. How many students altogether are in the art classes?

a)

s - 5 = 24

b)

s + 5 = 24

c)

5s = 24

d)

s/5 = 24

143.
Write an equation models the following statement:
 17 less than h equals 42
a)
17-h=42
b)
h-17=42
c)
h+17=42
d)
17+h=42
144.

What equation is modeled?

a)

2x -6 = 13

b)

x + 6 = 13

c)

6x = 13

d)

x - 6 = 13

145.

What equation is modeled?

a)

2x = -4

b)

2x = 4

c)

2+x = 4

d)

x+2=4

146.

Which choice models this situation?


Last week, James worked 35 hours in 5 days on the farm. He worked the same number of hours each day. How many hours did he work each day?

a)

h - 5 = 35

b)

h + 5 = 35

c)

5h = 35

d)

h/5 = 35

147.
Translate the statement into an equation:
Five less than a number is 6
a)
n - 5 = 6
b)
5 - n = 6
148.
Translate the sentence into an equation.
Seven subtracted from n is 18 
a)
n + 7 = 18
b)
7 - n = 18
c)
n - 7 = 18
d)
n + 7 = 18n
149.
Write an equation that represents the following:
The quotient of 440 and a number is 220
a)
440 - n = 220
b)
n - 440 = 220
c)
440 / n = 220
d)
n / 440 = 220
150.

twice a number is the same as 36

a)

x + 2 = 36

b)

x - 2 = 361

c)

2x = 36

d)

x/2 = 36

151.

x - 8 = 5

a)

a number increased by 8 equals 5

b)

a number and 8 multiplied together to equal 5

c)

The difference of a number and 8 yields to 5.

d)

a number split into 8 groups is the same as 5.

152.

x + 12 = 20

a)

12 times a number is the same as 20.

b)

a number divided into 12 groups equals 20.

c)

The sum of a number and 12 equals 20.

d)

a number decreased by 12 is 20.

153.

4 is the quotient of 16 and a number n.

a)

4 = 16n

b)

4 = 16/n

c)

4 = 16 + n

d)

4 = 16 - n

154.

Your friend writes the word sentence as an equation. Is your friend correct?

a)

Yes

b)

No

155.

A crew is picking up chairs in the gymnasium after an event. After clearing 217 chairs from the gym floor, 36 chairs still remain. Write an equation you can use to find the number of chairs placed on the gym floor for the event.

a)

217n = 36

b)

n - 217 = 36

c)

n + 217 = 36

d)

n/217 = 36

156.
Translate the sentence into an equation:
The product of a number and two-thirds is 24.
a)
2/3 + x = 24
b)
2/3 x = 24
c)
3/2 x = 24
d)
x / (2/3) = 24
157.

8 + x = 10

a)

18

b)

2

c)

10

d)

8

158.

4 = 2 + x

a)

6

b)

2

c)

8

d)

4

159.

w - 13.7 = 22.8

a)

36.5

b)

9.1

c)

11.1

d)

42.5

160.

n + 25\frac{2}{5}45\frac{4}{5}  

a)

65\frac{6}{5}  

b)

25\frac{2}{5}  

c)

1151\frac{1}{5}  

d)

2

161.

16 = m - 14

a)

30

b)

2

c)

20

d)

12

162.

5x = 10

a)

50

b)

2

c)

5

d)

15

163.

6x = 6

a)

36

b)

1

c)

12

d)

0

164.

6 = 3x

a)

2

b)

18

c)

3

d)

9

165.

3v = 18

a)

6

b)

16

c)

15

d)

54

166.

21 = 3x

a)

7

b)

18

c)

24

d)

63

167.

z16=8\frac{z}{16}=8  

a)

128

b)

2

c)

24

d)

100

168.

a14=6.8\frac{a}{14}=6.8  

a)

2.058

b)

20.8

c)

7.2

d)

95.2

169.

35=23t\frac{3}{5}=\frac{2}{3}t  

a)

910\frac{9}{10}  

b)

615\frac{6}{15}  

c)

110\frac{1}{10}  

d)

115\frac{1}{15}  

170.
A(n) ______________ is a statement that two mathematical expression are equal
a)
equation
b)
inverse operation
c)
solution of an equation
d)
expression
171.
Multiplying 5 and dividing 5 are ________________.
a)
equations
b)
inverse operations
c)
solutions of an equation
d)
expressions
172.
Write an equation for the word sentence:
The sum of a number and 4.5 is 8.2.
a)
8.2=4.5n
b)
n+4.5=8.2
c)
8.2n=4.5
d)
n-4.5=8.2
173.
Write an equation for the word sentence:
Three times the cost is $24.
a)
3c=24
b)
24c=3
c)
c+3=24
d)
c-3=24
174.
Determine whether the given value of the variable is a solution of the equation.
x - 24 = 58;  x = 82
a)
yes
b)
no
175.
Determine whether the given value of the variable is a solution of the equation.
⅓c = ⅜; c = ¾
a)
no
b)
yes
176.
Solve the equation:
a + 2.4 = 7.8
a)
a = 10.2
b)
a = 5.4
c)
a = 17.76
d)
a = 3.25
177.
Solve the equation:
b - ¼ = 3 ½
a)
b = 3 ¼
b)
b = 14
c)
b = ⅞
d)
b = 3 ¾
178.
Solve the equation:
3x = 27
a)
x = 9
b)
x = 24
c)
x = 81
d)
x = 30
179.
Solve the equation:
⅓s = ⅕
a)
s = ⅕
b)
s = ⅗
c)
s = 5/3
d)
s = 2/15
180.
Solve the equation:
t ÷ 4 = 16
a)
t = 4
b)
t = 12
c)
t = 20
d)
t = 64
181.
Solve the equation:
w ÷ 7 = 0.3
a)
w = 0.043
b)
w = 7.3
c)
w = 2.1
d)
w = .3/7
182.
A stadium has a total of 18,000 seats. Of these, 7,500 are field seats, and the rest are grandstand seats. Which equation could be used to find the number of grandstand seats s?
a)
s + 7,500 = 18,000
b)
s - 7,500 = 18,000
c)
s + 18,000 = 7,500
d)
s - 18,000 = 7,500
183.
Aaron wants to buy a bicycle that costs $128. So far, he has saved $56. The equation
a + 56 = 128 can be used to find the amount a in dollars that Aaron still needs to save. What is the solution of the equation?
a)
a=64
b)
a=72
c)
a=132
d)
a=184
184.
Ms. McNeil buys 2.4 gallons of gasoline.
The total cost is $7.56. The equation
2.4p = 7.56 can be used to find the price p in dollars of the one gallon of gasoline. What is the price of one gallon of gasoline?
a)
$1.81
b)
$2.40
c)
$3.15
d)
$5.16
185.
Crystal is picking blueberries. So far, she has filled ⅔ of her basket, and the blueberries weigh ¾ pound. The equation
⅔w=¾ can be used to estimate the weight w in pounds of the blueberries when the basket is full. About how much will the blueberries in Crystal's basket weigh when it is full?
a)
⅜ pound
b)
½ pound
c)
1 ⅛ pound
d)
2 ¼ pound
186.
After driving 25 miles, Kevin has traveled ⅔  of the distance from his house to his friend's house. Use the equation 25=⅔d to find the total distance d in miles to his friend's house.
a)
37.5 miles
b)
2/75 miles
c)
25 2/3 miles
d)
50 miles
187.
Alyssa's cat weighs 12 pounds, which is ⅜ 0f the weight of her dog. Use the equation
⅜d=12 to find the weight of Alyssa's dog.
a)
5 ¾ pounds
b)
32 pounds
c)
96 pounds
d)
36 pounds
188.
Randall bought 16 baseball cards from Max, which is ⅖ of Max's collection. Use the equation 16 = ⅖c to find the number of cards that were in Max's collection.
a)
6 cards
b)
40 cards
c)
15 cards
d)
32 cards
189.
Three-fifths of the animals on a family farm are pigs, and there are 12 pigs on the farm. The equation ⅗a = 12 can be used to find the total number of animals a on the farm.  How many animals are on the farm?
a)
8 animals
b)
20 animals
c)
60 animals
d)
180 animals
190.

Which equations matches the picture?

a)

3B + 1 = 6

b)

B + 3 = 6

c)

1 + 3 = 6

d)

6 = 3B + 1

191.
Simplify:
5(3x+1)
a)
15x+1
b)
15x+5
c)
8x+1
d)
8x+6