Addition
Subtraction
Multiplication
Division
Decimals
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100
9x = -27
What is -3
100
y/-6 = 2
What is -12
100
m + 3.7 = 2.4
What is -1.3
200

a + 13 = 35

What is 22

200
d - 7 = -9
What is -2
200
-7x = -63
What is 9
200
x/4 = -14
What is -56
200
x - (-66.09) = 102.8
What is 36.71
300
n + (-8) = -14
What is -6
300
k - (-83) =121
What is 38
300
-5e = -400
What is 80
300
x/6 = -6
What is -36
300
-5.6 = 0.8x
What is -7
400

x + 3.6 = 100

What is 96.4

400

x - 32.7 = 66.5

What is 33.8

400

11x = 27.5

What is 2.5

400

2.8 = a/1.3

What is 3.64

400

c/0.29 = 5.5

What is 1.595

500
-27 = c + 27
What is -56
500
a - (-163) = -392
What is -555
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144
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