Solving One-Step Equations

Addition Property

100

b - 3 = 8

b = 11

200

a - 8 = 12

a = 20

300

p - 18 = 18 

p = 36

400

s - 30 = -30

s = 0

500

-2 + f = 13

f = 15

Subtraction Property

100

a + 3 = 4

a = 1

200

b + 10 = 11

b = 1

300

s + 19 = 13

s = -6

400

p + 9 = 32

p = 23

500

5 = b + 9

-4 = b

Division Property

100

3x = 36

x = 12

200

5p = 25

p = 5

300

24 = 6c

4 = c

400

7z = 7

z = 1

500

12 = -4m

-3 = m

Multiplication Property

100

q/2=3

q = 6

200

r/8=4

r = 32

300

y/9=3

y = 27

400

7=w/8

w = 56

500

-a/3=-12

a = 36

Vocabulary and Rules

100

What is another word for inverse?

Opposite

200

Define Addition Property of Equality

Addition Property of Equality states that if you add the same number to both sides of the equal sign, it will produce an equivalent equation

300

Define Subtraction Property of Equality

Subtraction Property of Equality states that if you subtract the same number from both sides of the equal sign, it will produce an equivalent equation

400

What is the main goal of solving an equation?

To get the variable by itself (on one side of the equal sign)

500

What does the word isolate mean?

Get by itself