Equations Test Review

Vocabulary

100

The number being multiplied to a variable

What is a Coefficient? 

200

The letter in an expression or equation

What is a variable? 

300

The number that stays the same

What is a constant?

400

Any number, variable, or number being multiplied to a variable. 

What is a term? 

500

Terms that have the same variable and the same exponent. 

What are like terms? 

Simplifying

100

2x + 8x - 7 

10x - 7 

200

3(x + 6) 

3x + 18

300

4(x - 8) + 6x 

10x - 32

400

3 - 9(x + 5) 

-9x - 42

500

5(x - 2) + 7(x + 8) 

12x + 46 

Writing Expressions

100

the sum of 4 and a number 

4 + x

200

the quotient of a number and 3 being added to 5 

(x/3) + 5 

300

a number times 3 all divided by 7 

3x/7

400

4 divided by a number minus 6 

4/x-6

500

12 less than a number being multiplied by 9 

9x - 12 

One/Two Step

100

x - 8 = 10

x = 18

200

x/-7 = 3

x = -21

300

2x - 6 = 10 

x = 8

400

-5x + 2 = 17 

x = -3 

500

x/3 - 2 = 4

x = 18

Multi Step

100

2x - x + 6 = 13 

x = 7

200

4(x - 3) = 12

x = 6 

300

-2(x + 9) - 5 = 3

x =  -13

400

7(x - 4) + 2x = 2x +7 

x = 5

500

x - 3(6 + x) = -2x-18

ALL Solutions