Equations Review

One-/Two-Step Equations

100

3n=51

n=17

200

-5=15-x

x=20

300

11.3=m+13.3

m=-2

400

-13n+15=-128

n=11

500

-x-5=21

x=-26

Distribute/Combine Like Terms

100

-12=2+5v+2v

x=-2

200

-12=-2k+3-3k

k=3

300

-5(x-8)=210

x=-34

400

-3(x+4)=-6

x=-2

500

24=6(-x-3)-x

x=-6

Variables on Both Sides

100

-3+5a=4a-10

a=-7

200

-16+3n=-8-5n

n=1

300

1-3x=3x+1

x=0

400

4r+8+5=-15-3r

r=-4

500

8x+6x=8x+4x+12

x=6

Multistep Equations

100

What is the phrase used to help you remember the steps to solving a multistep equation?

Don't Call Me After Midnight!

200

-6(2r-2)=-8r+40

r=-7

300

-13+6n=-7(5n-4)

n=1

400

-10+8m=-2(7m-3)+6

m=1

500

-6+3p=8p+2(1-3p)

p=8

One/No/Infinitely Many Solutions

100

8x+38=18+12x

One Solution (x=5)

200

-5(-2-8m)=10+5m

One Solution (m=0)

300

-2(v-2)=-3-2v

No Solution

400

3+5n=5(n+2)-7

Infinitely Many Solutions

500

-(3-6b)=6b+5

No Solution