One-Step Equations
Two-Step Equations
Mixed Equations
Multi-Step Equations
Equations with Variables on Both Sides
Vocabulary
100

4 = -8 + x

x= 12

100

Solve: 

2x + 5 = 11

x = 3

100

Solving Equations

x - 2 = 6

x = 8

100

Solving Equations

x + 3 + 3x = 7

x = 1

100

4x - 2 = 3x + 5

x = 7

100

Definition: an "unknown value"

What is a Variable?

200

x + 12 = 0

x= -12

200

-3x + 5 = 14

x= -3

200

Solving Equations

-5p + 1 = 6

p = -1

200

Solving Equations

5 + 5x - 1 = 29

x = 5

200

2(x - 4) = 5x + 4

x = -4

200

On the fifth day of Christmas what did my true love give to me?

Five golden rings

300

3 = -2 – x

x= -5

300

x/3+7 =10

x= 9

300

Solving Equations

2n+10 = 4

n = -3

300

Solve: 

5(f+2) - 3f = 20

f = 6

300
6x + 3 - 2x = 2x + 11

x = 4

300

How many variable terms are in this expression? 

4x + 3 - 9 - 9y + m

What is a "3"

400

Solve: 

x/-3 =10

x = -30

400

(r+2)/4=12

r = 46

400

Solving Equations

5(m-3) = 4

m = 19/5

400

Solving Equations

14 = (3a + 6) + 2

a=2

400
9 - x = 6 + 2x

x = 1

400

A fixed value

What is a "Constant"?

500

-16 = x+2

x= -18

500

(2x)/3=6

x= 9

500

Solving Equations

3(𝑥 − 9) = −3

x = 8

500

Solving Equations

-21 = 7(5k - 8)

k = 1

500

2(x-3) = 2x - 6

What is "infinitely many solutions"?

500

The number standing directly next to a variable, held by either multiplication or division. 

Examples: 4x,    -3y,     

x/2

What is "Coefficient"?