Module 3

Inequalities

100

What can x be equal to if x>3? 

ex: 9

200

What can x be equal to if x<-19

ex: -20

300

What can x be equal to if x is > or equal to 3? 

ex: 3 or 40

400

Solve: x/-3 > 40

x < -120

500

solve -3x>30

x<-10

Add and Subtract Negative Numbers

100

-3+3=

0

200

-5+3=

-2

300

-11+25=

14

400

35-45=

-10

500

-3+5-8

-6

Distributive Property

100

3(x)=

3x

200

3(x+1)=

3x+3

300

2(2x+3)=

4x+6

400

-5(x+3)=

-5x-15

500

-3(3x-5)=

-9x+15

Solve One-Step Equations

100

x+3=5

x=2

200

x-3=8

x=11

300

2x=8

x=4

400

x/5 =3

x=15

500

x/5  -3 = 2

x=25

Solve Multi-Step Linear Equations

100

2(x)+3=9

x=3

200

3(x+1)=30

x=9

300

3(x-1)=30

x=11

400

3(x-1)=2(x-1)

x=1

500

1/4 (4x-8) = 1/3 (6x+9)

x= -5