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 = 10

What is -3

200

d - 7 = 9

What is 16

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 204

300

-5e = -400

What is 80

300
x/6 = -6
What is -36
300

88.8 = 8x

What is 11.1

400

x + 36 = -100

What is -136

400

x - 32 = -66

What is -34

400

-11x = 275

What is -25

400
-28 = a/-13
What is 364
400

c/2.1 = 5.5

What is 11.55

500

27 = c + 27

What is 0

500

a - 16 = -40

What is -24

500

-21y = -756

What is 36

500
-80 = x/15
What is -1200
500

0.12 = y/2

What is 0.24

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