Chapter 1 - Equations

Solving Simple Equations

100

a-6=13

a=19

200

-14=k+6

k=-8

300

q + 1/9 = 5/9

q=4/9

400

12 = 3d

d=4

500

x/3=11

x=33

Solving Multi-Step Equations

100

5x+7=32

x=5

200

2y-6=18

y=12

300

1/4x+5=9

x=16

400

20=2(x+5)

x=5

500

6b+2=32

b=5

Solving Equations with Variables on Both Sides

100

9x+12=9x+12

infinitely many

200

m-4=2m

m=-4

300

11g+6=8g+21

g=6

400

3(5x-3)=15x-13

no solution

500

3x-1=1-3x

x=1/3

Rewriting Equations and Formulas

100

Solve for y.

4x + y = 15  

y=15-4x

200

Solve for y.

5x + 3y = 18 - x

y=6-2x

300

Solve for y.

1/2y-6=x+2

y=2x+16

400

Solve for y.

3x + 1/3y = 4

y=12-9x

500

Solve for y.

y + 6x = y + 6x

infinitely many solutions