Solving One-Step Equations

Addition or Subtraction

100

x + 4 = 25

x = 21

200

d - 7 = -9

d = -2

300

n + (-8) = -14

n = -6

400

x + 36 = -100

x = -136

500

a - (-163) = -392

a = -555

Multiplication

100

9x = -27

x = -3

200

-7x = -63

x = 9

300

-5e = -400

e = 80

400

-11x = 275

x = -25

500

-21y = -756

y = 36

Division

100

y/-6 = 2

y = -12

200

x/4 = -14

x = -56

300

x/6 = -6

x = -36

400

-28 = a/-13

a = 364

500

-80 = x/15

x = -1200

Fractions

100

(¹/₂)a = 12

a = 24

200

(⁴/₅)b = 20

b = 25

300

(-²/₃)c = 24

c = -36

400

(⁵/₂)d = ¹⁰/₃

d = ⁴/₃

500

(-⁴/₉)e = -⁸/₃

e = 6

Decimals

100

m + 3.7 = 2.4

m = -1.3

200

x - (-66.09) = 102.8

x = 36.71

300

-5.6 = 0.8x

x = -7

400

^c/_-0.3 = 5.5

c = -1.65

500

0.12 = ^y/_0.12

y = 0.0144