Solving One-Step Equations

Addition

100

x + 4 = 25

x=21

200

a + 13 = 80

a= 67

300

n + (8) = 14

n=6

400

x + 36 = 100

x=64

500

 1/2 + x = 1 1/6

x= 2/3

Subtraction

100

x - 2 = 6

x=8

200

d - 7 = 9

d=16

300

x-27=110

x=137

400

x - 327 = 665

x=992

500

1/2 = 1 1/6 - x

x=2/3

Multiplication

100

9x = 27

x=3

200

7x = 63

x=9

300

5e = 400

e=80

400

11x = 275

x=25

500

 2/3 * k = 5 2/3

k=8 1/2

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

978/x = 163

x=6

Decimals

100

m + 2.4 = 3.7

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