One-Step Equations

Addition/Subtraction

100

x + 5 = 15

x=10

200

x - 9 = 10

x = 19

300

x + 11 = 32

x = 21

400

x - 38 = 27

x = 65

500

x + 14.7 = 22.5

x = 7.8

Multiplication

100

4x = 24

x = 6

200

-2x = 22

x = -11

300

-11x = -99

x = 9

400

70 = 5x

x = 14

500

-162 = -9x

x = 18

Division

100

x/2 = 7

x = 14

200

x/6 = -7

x = -42

300

-x/5 = 12

x = -60

400

-11 = x/10

x = -110

500

-13 = (-x/9)

x = 117

Decimals

100

1.1x = 4.4

x = 4

200

2.5x = 9

x = 3.6

300

-3.1x = -31

x = 10

400

-90 = 4.5x

x = -20

500

-0.9x = -110.7

x = 123

Fractions

100

2/5x = 4

x = 10

200

3/8x = 9

x = 24

300

-4/9x = 8

x = -18

400

7/8x = -21

x = -24

500

-6/7x = -48

x = 49