Equations

One-Step

100

-5x=55

x=-11

200

5+x==10

x=5

300

-7+x=-4

x=3

400

x/7 = -3

x=-21

500

x - 8 = -2

x=6

Two-Step

100

5n+5=45

n=8

200

b/8 - 11=-9

b=16

300

2q+10=-10

q=-10

400

6y-5=7

y=2

500

8=3a-4

a=4

Steps

100

First, I will subtract 9 from 11. What's next? 

m/5 +9=11

Multiply by 5

200

What is the first step?

13+7x=27

Subtract 13

300

What is the first step?

4x=-20

Divide by 4

400

What is the first step?

-19+x=-5

Add 19

500

After we subtract 1, what is the next step? 

1+2r=35 

Divide 2

Vocab

100

Write a number and its reciprocal.

Answers may vary

200

What is the opposite of division

multiplication

300

The unknown value in an equation is called a what?

variable

400

Give an example of a constant

answers may vary

500

What two things does every equation have? 

variable and equal sign

Distributive Property

100

5(3+x)

15+5x

200

-3(x+4)

-3x-12

300

2(-4x-5)

-8x-10

400

-10(x+3)

-10x-30

500

4(-3x-5)

-12x-20