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 = 5

What is 1.3

200

13 + a = 10

What is -3

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

36 - x = -100

What is 136

400

x - 327 = -665

What is -338

400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
400

c/-0.29 = 5.5

What is -1.595

500

-327 = c + 27

What is -354

500

a - (-163) = -392

What is -555

500

-756 = -21y

What is 36

500

-25 = 275/x

What is -11

500

-2.12 = y/0.12

y= -0.2544

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