Equations Review

Vocabulary

100

Coefficient, Constant, or Variable?

2n

Coefficient

200

Coefficient, Constant, or Variable?

n 

Variable

300

Coefficient, Constant, or Variable?

24

Constant

400

Coefficient, Constant, or Variable?

2x + 3 = 12

Coefficient

500

Coefficient, Constant, or Variable?

3n + 24 = 16

Constant 

How Many Solutions?

100

x = 4 

One Solution

200

6 = 9

No solution

300

4 = 4

Infinitely Many Solutions 

400

3x + 2 = 3x + 14

Infinitely Many Solutions

500

4x + 10 = 9 + 4x

No solution

One Step Equations

100

6 + n = 10

n = 4

200

-10 + t = 20

t = 30

300

2z = 12

z = 6

400

x = 20

2

x = 40

500

3r = 24

r = 8

Two Step Equations

100

3x + 4 = 16

x = 4

200

16 + 5z = 21

z = 1

300

2t - 5 = 1 

t = 3

400

2t - 6 = -14

t = -4

500

8v + 2 = -14

v = -2

Mystery!

100

What is the inverse of addition?

Subtraction

200

What is the inverse of subtraction?

Addition

300

Identify the operation THEN the inverse. 

2n = 10

Multiplication / Division

400

ID the operation THEN the inverse. 

n + 5 = 10

Addition / Subtraction

500

When solving an equation, which step comes first: move the variables to the same side of the equal sign OR remove the coefficient from the variable using inverse operations 

move the variables to the same side of the equal sign