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

-54=c

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

364=a

500

-80 = x/15

-1200=x

Decimals

100

m + 3.7 = 2.4

m=-1.3

200

x - (-66.09) = 102.8

x=36.71

300

-5.6 = 0.8x

-7=x

400

c/-0.29 = 5.5

c=-1.595

500

0.12 = y/0.12

0.0144=y