Chapter 4

1 step Eq

100

x-5=-1

4

200

18y=-4

-4.5

300

100x=1000

x=10

400

-a=-24

24

500

x/5=-2

-10

2 step eq

100

-3x+5=2

1

200

2x=12=4

-4

300

-5c=9=-16

5

400

9=3x-12

7

500

4-2y+3=9

8

Distributive

100

2 (3+7)

20

200

9(4+2)

38

300

8(1-2)

-8

400

100(3+2)

500

500

-9 (5-2)

27

Inequalities

100

x>4.5, Closed or open circle? 

Open

200

y-6 > -7

y > -1

300

x/5 <(=) 3

x <= 15

400

n /3 <1

n<3

500

4b<16

b <4

Random

100

3x=15

5

200

1400 x 13

18200

300

9 (33 - 2) 

279

400

100x + 90 = 190

x = 1

500

What side of a # line is positive? 

RIGHT