One Step Equations

Adding One-Step Equations

100

8 + r = 20

r = 12

200

2 + j = -43

j = -45

300

s + 7 = 9

s = 2

400

c + -3 = -18

c = -15

500

-9 + h = -45

h = -36

Subtracting One-Step equations

100

x - 4 = 13

x = 17

200

l - 5 = 23

l = 28

300

-45 - w = 15

w = 60

400

-15 - h = -1

h = -14

500

y - (-18) = 25

y = 7

Inverse Operations

100

What is the inverse of addition?

Subtraction

200

What is the inverse of Subtraction?

Addition

300

What is the inverse of Multiplication?

Division

400

What is the inverse of Division?

Multiplication

500

What is the inverse of fraction a/b?

b/a