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15 questions
What whole number should replace the
variable to make the equation
x + 10 = 20 true?
10
20
30
40
What whole number should replace the
variable to make the equation
y - 8 = 19 true?
11
27
-11
-27
What whole number should replace the variable to make the equation
6x = 5 true?
-1
11
30
-11
What whole number should replace the variable to make the equation
m + 7 = 30 true?
37
23
-37
-23
What whole number should replace the variable to make the equation
6a = 54 true?
-9
9
48
60
What whole number should replace the variable to make the equation
8c = 6 true?
-2
2
-48
48
What whole number should replace the variable to make the equation
x - 7 = 12 true?
5
19
-84
84
What whole number should replace the variable to make the equation
8y = 72 true?
9
-9
64
80
What whole number should replace the variable to make the equation
d + 98 = 100 true?
2
-198
100/98
-2
What whole number should replace the variable to make the equation
18 - c = 12 true?
30
-30
6
-6
What whole number should replace the variable to make the equation
a15 = 3 true?
5
-5
45
-45
What whole number should replace the variable to make the equation
26 = 7 + r true?
-19
19
-33
33
What whole number should replace the variable to make the equation
7t = 7 true?
-14
14
-49
49
What whole number should replace the variable to make the equation
75 = 50 + w true?
-25
25
-125
125
What whole number should replace the variable to make the equation
8m = −6 true?
-14
14
-48
48
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