Topic 3 Review!

Combine Like Terms

100

p-0.35p=130

p=200

200

-3.5y-6.2y=-87.3

y=9

300

(8/6)x + (1/6)x = 36

x = 24

Variable on Both Sides

100

4x+6=2.5x+12

x=4

200

0.05x+925=0.03x+1,250

x=16,250

300

550-25x=10+15x+20x

x=9

Solve Multistep Equations

100

-5(x-2)=-25

x=7

200

4x+3=x+2(x+7)

x=11

300

3(x-5)-5x=-25+6x

x=1.25

No Solution or Infinitely Many Solutions

100

7x+3x-8=2(5x-4)

-8=-8

Infinitely many solutions

200

3(2.4x+4)=4.1x+7+3.1x

12=/=7

No solution

300

6x+12=2(3x+6)

12=12

Infinitely many solutions

Solve Two-Step Inequalities

100

14+3.15p<25.97

p<3.8

200

80>-10-(9/2)x

-20<x

x>-20

300

When would I graph a closed circle on the number line for an inequality?

When it's less than OR EQUAL TO, or greater than OR EQUAL TO.