Solving One-Step Equations with Rational Numbers

Addition

100

x + 4 = 25

What is 21

200

a + 6 = -14

What is -20

300

-11 + x = -16

What is -5

400

y + 0.4 = 2

What is 1.6

500

s + 3/7 = 6

What is  5 4/7

Subtraction

100

-2 = x - 1

What is -1

200

d - 7 = -9

What is -2

300

k - 2.3 = 0.46

What is 2.76

400

x - 5/6 = -3 2/3

What is 2 5/6

500

a - 3/4 = 1 1/2

What is 2 1/4

Multiplication

100

9x = -27

What is -3

200

-7x = -63

What is 9

300

-3/4x = 3/2

What is -2

400

5/6r = 4 3/5

What is 5 13/25

500

0.5m = 0.75

What is 1.5

Division

100

- 4 =  x/ -3 

What is 12

200

x/4 = -14

What is -56

300

r/4 = 250

What is 1000

400

-28 = a/-13

What is 364

500

y/0.23 = 12

What is 2.76

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