WorksheetsMATH 7: ALGEBRAIC EQUATION
Total questions: 25
Worksheet time: 3585secs
1.5 added to a number is 9.
x + 5 = 9
9 + 5 = x
9 + x = 5
5x = 9
2.3 subtracted from a number is equal to 12.
3 - x = 12
3 - 12x = 0
x - 3 =12
x - 12 = 3
3.5 times a number decreased by 2 is 4.
2 - 5x = 4
5x - 4 = 2
4 - 5x = 2
5x - 2 = 4
4.A number is 12 more than the other and their sum is 48. Which of the equation models the problem?
x - 12 = 48
x + 12 = 48
2x + 12 = 48
2x = 48
5.Twice the number decreased by 22 is 48. Which of the following equation models the problem
2x = 48
2x - 48 = 22
22 - 2x = 48
2x - 22 = 48
6.A number is 12 more than the other. Find the numbers if their sum is 48.
18 & 30
20 & 28
19 & 29
13 & 35
7.The sum of two consecutive even numbers is 38. Which of the following equation represents the prblem
2x + 1 = 38
x + 2 = 38
2x + 2 = 38
x + 1 = 38
8.Solve the following equation,
x + 4 = 25
x = 29
x = 100
x = 5
x = 21
9.The next step in solving the equation 2x - 3 = -15 is to . . .
divide by 2 on both sides of the equation
multiply by 2 on both sides of the equation
subtract 3 on both sides of the equation
add 3 on both sides of the equation
10.Solve the following equation,
5x = -30
x = 6
x = 150
x = -6
x = -150
11.In the equation 3x + 8=23, the number 3 is called the ____________.
variable
constant
coefficient
answer
12.In the equation 3x + 8=23, the number 8 is called the ____________.
variable
constant
coefficient
answer
13.In the equation 2x-5=27, which of the following is the variable?
2
x
-5
27
14.What is the solution of the equation -2x-5=17?
x = 11
x = 6
x = -6
x = -11
15.In solving the equation 2x-5=27, what step to do first?
divide 2 on both sides of the equation
add 5 on both sides of the equation
multiply 2 on both sides of the equation
subtract 5 on both sides of the equation
16.What is the value of a in the equation 3a-7=17?
a = 6
a = 8
a = -8
a = 310
17.In the equation 3x + 7 = -11, after you subtract 7 on both sides of the equation, what will be the value of x?
x= -6
x=6
x= 34
x= −34
18.Solve for x:
4x + 1 = 7x - 5
x=−1
x=2
x=116
x=8
19.What is the algebraic form of
two more than thrice a number x is fourteen?
3x+2=14
2+3x>14
2+3x=14
3x-2=14
20.Solve for the value of x :
3(5x + 1) = 48
x = 1547
x=47
x=51
x=3
21.Solve:
2(2x + 3) = -6(x + 9)
x=1.2
x=6
x=−6
x=7.5
22.What property will be applied first in solving 4m-1=15?
addition property of equality
multiplication property of equality
distributive property
additive identity property
23.Gary solved the equation as shown in the picture. Which correctly describes the error that Gary made in his work?
he did not combine 7x and 8x correctly
he did not divide correctly
he did not combine -3 and -9 correctly
he did not make an error in his work
24. Twice the number decreased by 22 is 48. Which of the following equation models the problem
2x = 48
2x - 48 = 22
22 - 2x = 48
2x - 22 = 48
25.The sum of two consecutive even numbers is 38. Which of the following equation represents the problem.
2x + 1 = 38
x + 2 = 38
2x + 2 = 38
x + 1 = 38
