Solving One-Step Equations

Addition

100

x + 4 = 25

What is 21

200

a + 13 = 10

What is -3

300

n + (8) = 14

What is 6

400

x + 6/36 = (64 and 1/6)

What is 64

500

12 = c + (5 and 2/9)

What is 6 and 7/9

Subtraction

100

x - 2 = 6

What is 8

200

d - 7 = 9

What is 16

300

k - (83) =121

What is 204

400

x - (327/654) = 991 and 1/2

What is 992

500

a - (2 and 3/5) = (4 and 2/5)

What is 7

Multiplication

100

9x = -27

What is -3

200

7x = 63

What is 9

300

5e = 400

What is 80

400

11x = 275

What is 25

500

21y = 756

What is 36

Division

100

y/-6 = 2

What is -12

200

x/4 = 14

What is 56

300

x/6 = 6

What is 36

400

28 = a/13

What is 364

500

80 = x/15

What is 1200

Decimals

100

m + 3.7 = 2.4

What is -1.3

200

x + (66.09) = 102.8

What is 36.71

300

5.6 = 0.8x

What is 7

400

c/0.29 = 5.5

What is 1.595

500

0.12 = y/0.12

What is 0.0144