Chapter 3 Review

3.1: Combining Like Terms

100

3x-6x=

-3x

200

4x+2-3x=

x+2

300

2(3x-3)=

6x-6

400

4(2x-4)=

8x-16

500

-2(x+2)-5=

-2x-9

3.2: Adding/Subtracting Linear Equations

100

(3x+4) + (2x+1)=

5x+5

200

(5x-6) + (5x-6)=

10x-12

300

(6x+3) - (2x-2)=

4x+5

400

-3(3-4x)-6x =

-9+6x

500

2(4x-6)-3x+5 = 

5x-7

3.3: Solving One Step Using Add/Sub

100

x+6=3

x= -3

200

x-8= -2

x=6

300

8= x+2

x=6

400

1/3 + x = 3/4

x= 5/12

500

- 5/2 = x - 9/2

x=2

3.4: Solving One Step Using Multiple/Div

100

3x= -9

x= -3

200

-4x = -20

x= 5

300

1/3x = 2/5

x= 6/5

400

x/4 = 12

x=48

500

x/2 = -5

x= -10

Vocab

100

The inverse (or opposite) operation of subtraction

Addition

200

The inverse (or opposite) operation of addition

Subtraction

300

The inverse (or opposite) operation of multiplication

Division

400

The inverse (or opposite) operation of division

Multiplication

500

Find the reciprocal (or opposite) of 3/5.

5/3