Chapter 3 Review

Distributive Property

100

2(x+5)

2x+10

200

-3(y+8)

-3y-24

300

10(a-6)

10a-60

400

-4(-2x+4)

8x-16

500

-8(8y-7)

-64y+56

Combining Like Terms

100

3x+12x

15x

200

18m-20m

-2m

300

2y - 6 + 4y - 8

6y - 14

400

a + 4 - 7a - 5

-6a - 1

500

6x - 4 + 2x - x + 3

7x - 1

Simplify expressions

100

2(x+1)+20

2x+22

200

5(x-7)-8x

-3x-35

300

5(2a+3)-10a

15

400

-5(m+3)+2m

-3m-15

500

-(7y-2)+6

-7y+8

Solving Equations

100

10y +9=39

y=3

200

7x+7=-21

x==4

300

4(x+1)=12

x=2

400

x-63=10x

x=-7

500

8x-4-6x=12-22

x=-3

Translate from words to an expression

100

Three times a number added to 9 is 33

3x+9=33

200

The difference of a number and 3 is equal to 5.

x-3=5

300

The quotient of 3 times a number and 5 is 10.

3x/5=10

400

Thirty less than a number is the same as 15.

x-30=15

500

Five times the sum of a number and 2 is 20

5(x+2)=20