Solving One-Step Equations

Addition

100

x + 4 = 25

What is 21

200

10 = a + 13 

What is -3

300

n + 8.5 = 14

What is 5.5

400

x + 3/5 = 9/10

What is 3/10

500

2.7 = c + 2.7

What is 0

Subtraction

100

x - 2 = 6

What is 8

200

9 = d - 7

What is 16

300

k - 8.3 =12.1

What is 20.4

400

x - 3/4 = 1/3

What is ¹³/₁₂ or 1 ¹/₁₂

500

a - 2 ¹/₂ = 1 ²/₃

What is 4 ¹/₆ or ²⁵/₆

Multiplication

100

9x = 27

What is 3

200

63 = 7x

What is 9

300

0.6e = 0.42

What is 0.7

400

¹/₂x = 275

What is 550

500

³/₄y = ²/₃

What is 8/9

Division

100

^y/₂ = 6

What is 12

200

^x/₄ = 4

What is 16

300

15 = ^x/_2.5

What is 37.5

400

1.4 = ^a/₃

What is 4.2

500

0.8 = ^x/_1.5

What is 1.20