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 -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 + 36 = -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
-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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