Ch.1 Equations

Solving Simple Equations

100

x-7=-6

x=1

200

(-3/4)x=-2

x=(8/3)

300

0.7+y=-1.34

y=-2.04

400

6=(-x/8)

x=-48

500

-2=(6/7)p

p=-2(1/3)

Solving Multi-Step Equations

100

1.5x=15=24

x=6

200

8x-6x-25=-35

x=-5

300

2(1-5x)+4=-8

x=1.4

400

21(2-x)+12x=44

x=(-2/9)

500

1.1x+1.2x-5.4=-10

x=-2

Solving w/ Variables on Both Sides

100

15-2x=-7x

x=-3

200

-2(x-5)=6(2-0.5x)

x=2

300

3-4x=-7-4x

No Solution

400

6x+4=4(1.5x+1)

infinitely many solutions

500

6(7x+7)=7(6x+6)

infinitely many solutions

Rewriting Equations & Formulas

100

2y+5x=6

Solve for Y

y=3-(5/2)x

200

C=(5/9)(F-32)

Solve for F

F=(9/5)C+32

300

4.2x-1.4y=2.1

Solve for Y

y=3x-1.5

400

g=(1/6)(w+40)

Solve for w.

w=6g-40

500

B=3(V/h)

Solve for V

V=(Bh/3)