Solving One-Step Equations

Addition

100

x + 4 = 25

What is 21

200

a + 10 = 13

What is 3

300

n + 8 = 14

What is 6

400

x + 36 = 100

What is 64

500

27 = c + 10 + 5

What is 12

Subtraction

100

x - 2 = 6

What is 8

200

d - 7 = 9

What is 16

300

k - 83 =38

What is 121

400

x - 327 = 338

What is 665

500

a - (-63) = 94

Hint: Remember what two negatives mean.

What is 31

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 6.1

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