Addition
Subtraction
Multiplication
Division
Decimals
100

x + 4 = 25

What is x=21

100
x - 2 = 6
What is 8
100

9x = -27

What is x=-3

100

y/-6 = 2

What is y=-12

100

m + 3.7 = 2.4

What is m=-1.3

200

a + 13 = 10

What is a=-3

200
d - 7 = -9
What is -2
200

-7x = -63

What is x=9

200

x/4 = -14

What is x=-56

200

x - (-66.09) = 102.8

What is x=36.71

300

n + (-8) = -14

What is n=-6

300
k - (-83) =121
What is 38
300

-5b = -400

What is b=80

300

x/6 = -6

What is x=-36

300

-5.6 = 0.8x

What is x=-7

400

x + 36 = -100

What is x=-136

400

x - 327 = -665

What is x=-338

400

-11x = 275

What is x=-25

400

-28 = a/-13

What is a=364

400

c/-0.29 = 5.5

What is c=-1.595

500

-27 = c + 27

What is c=-54

500

a - (-163) = -392

What is a=-555

500

-21y = -756

What is y=36

500

-80 = x/15

What is x=-1200

500

0.12 = y/0.12

What is y=0.0144

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