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Worksheetsmath and variables
Total questions: 14
Worksheet time: 42mins
Name
Class
Date
1.
3x = 6
a)
x = 0
b)
x = 1
c)
x = 2
d)
x = 3
2.
x - 4 = 6
a)
x = -2
b)
x = 2
c)
x = -10
d)
x = 10
3.
x + 5 = -2
a)
x = -3
b)
x = 3
c)
x = -7
d)
x = 7
4.
-3x = 6
a)
x = -2
b)
x = -3
c)
x = 2
d)
x = 3
5.
-2x = -6
a)
x = -3
b)
x = -4
c)
x = 3
d)
x = 4
6.
x - 32 = 49
a)
x = 17
b)
x = 71
c)
x = 81
d)
x = 49
7.
10x = 90
a)
x = 80
b)
x = 100
c)
x = 10
d)
x = 9
8.
What is the inverse operation of division?
a)
Division
b)
Multiplication
c)
Addition
d)
Subtraction
9.
What what is the inverse operation of subtraction?
a)
addition
b)
subtraction
c)
multiplication
d)
division
10.
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
11.
The difference of a number x and 2 is 7.
a)
x - 2 = 7
b)
x + 2 = 7
c)
2x = 7
d)
2/x = 7
12.
The sum of a number k and 5 is 11.
a)
5k = 11
b)
5 - k =11
c)
5/k = 11
d)
5 + k = 11
13.
m - 5 = -10
a)
-15
b)
15
c)
-5
d)
5
14.
In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation?
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation?
a)
Subtract 7 from both sides. The solution is x = 5.
b)
Add 7 to both sides.
The solution is x = 19.
The solution is x = 19.
c)
Multiply both sides by 7 The solution is x = 84.
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