Expressions and Equations Review

Math Vocabulary

100

What is it called to simplify an expression by grouping numbers and variables?

Combining Like Terms

200

This type of math problem has an equal sign.

Equation

300

Another word for numbers found on a number line.

Integers

400

Another word for the letters used in expressions and equations.

Variable

500

Name of the type of math where numbers and symbols are used to formulate expressions and equations.

Algebra

One-Step Equations

100

4 = -8 + x

x= 12

200

x + 12 = 0

x= -12

300

122 = -2x

x= -61

400

-5x = -80

x= 16

500

-16 = x/2

x= -32

Two-Step Equations

100

6x – 13 = 11

x= 4

200

3x + 5 = 14

x= 3

300

(x/2) +10=-8

x= -36

400

(x/2)-4=10

x= 28

500

(x/3)+12=-3

x= -45

Simplifying Expressions

100

3x+4x-8-x

6x-8

200

4(3x+2)

12x+8

300

2(x+5)-3+9x

11x+7

400

4x-3(2x-5)+6

-2x+21

500

9-5(4-x)-8x

-3x-11