Solving One-Step Equations

Addition

100

x + 4 = 15

What is 11

200

a + 13 = 20

What is 7

300

n + 8 = 14

What is 6

400

x + 36 = 100

What is 64

500

12 + x = 96

What is 84

Subtraction

100

x - 2 = 6

What is 8

200

d - 7 = 9

What is 16

300

83 - x =21

What is 62

400

x - 75 = 50

What is 125

500

163 - y = 92

What is 71

Multiplication

100

9x = 27

What is 3

200

7x = 63

What is 9

300

5e = 400

What is 80

400

11x = 275

What is 25

500

21y = 756

What is 36

Division

100

y/6 = 2

What is 12

200

x/4 = 14

What is 56

300

x/6 = 6

What is 36

400

28/x = 7

What is 4

500

80/x = 10

What is 8

Decimals

100

m + 3.7 = 5.8

What is 2.1

200

x - 20.1 = 102.8

What is 122.9

300

0.8 + x = 5.6 

What is 4.8

400

x - 0.29 = 5.5

What is 5.79

500

y - 0.12 = 0.99

What is 1.11