Expressions and Equations

Vocabulary

100

This type of math problem has no equal sign.

Expression

200

This type of math problem has an equal sign.

Equation

300

Another word for numbers used in expressions and equations (example: the 5 in 3x + 5)

Constant

400

Another word for the letters used in expressions and equations.

Variable

500

What is the number 2 called in 2x. 

Coefficient

Two Step Equations

100

2x + 1 = 5

x=2

200

x/3 - 4 = 11

x=5

300

-2x-5=-11

x=3

400

5(3-x) = 30

x=-3

500

14x + 2(x - 5) - 10=-4

x=-1

One step equations

100

20 = x + 4

x = 16

200

8x = -64

-8

300

x + 5 = - 9

-14

400

x - 8 = -10

-2

500

x/3 = 6

x = 18

Simplify Expressions

100

Simplify:

3(x+2)

3x + 6

200

Simplify

-4 (m + 9)

-4m - 36

300

Simplify:

3x - 9x

-6x

400

Simplify:

10x + 7 -4x-(-15)

6x + 22

500

Simplify:

9 + 7x - 11 - 12x

-5x - 2

Mixed Review

100

Simplify 2b + (-4b) - 10 + 6

-2b - 4

200

2 - 10 + 2(15)

22

300

Simplify 10 + 2b + 8b - 6

10b + 4

400

solve

54 = -9x

-6

500

Solve: 

-3x = -18

6