Solving One-Step Equations

Addition

100

x + 4 = 25

x= 21

200

a + 13 = 10

a = -3

300

n + (-8) = -14

n = -6

400

x + 36 = -100

x = -136

500

-27 = c + 27

c = -56

Subtraction

100

x - 2 = 6

x = 8

200

d - 7 = -9

d = -2

300

k - (-83) =121

k = 38

400

x - 327 = -665

x = -338

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

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/-0.29 = 5.5

c = -1.595

500

0.12 = y/0.12

y = 0.0144