Algebra Chapter 3 Review

Properties of Equality

100

t - 8 ? 8 = 11 + 8

Addition

200

x/10 ? = 5 x 10

Multiplication

300

x + 25 ? 25 = 25 - 25

Subtraction

400

18/? = -3b/ -3

-3

500

-16 x 4 = y/4 x ?

4

Inverse Operations

100

a + 4 = 4 ? 4 = a

Subtraction

200

y - 3 ? 3 = y

Addition

300

2b ? 2 = b

Division

400

v/9 ? 9 = v

Multiplication

500

-15b ? (-15) = b

Division

Solve for the Variable

100

y + 0 =1

y = 1

200

20 = v - 5

25

300

9 = x/3

x = 27

400

26 = -5y + 6

y = -4

500

-5(a + 2) = 30

a = -8

Solve for the Variable 2

100

-9b = 9

b = 1

200

7 + b = 3

b = -4

300

-4u + 10 = 2

u = -2

400

3(x + 3)= 18

x = 3

500

8x - 8 = -4x + 16

2

Find the Number

100

What is 45% of 80

36

200

5% of 20

1

300

Find the discount price on a $10 t-shirt. It is 20% off.

$2.00

400

Find the discount price of a $50.00 outfit. It is 30% off.

$15.00

500

A $20 book is on sale for 15% off. Find the sale price.

$17.00