Solving Equations Review

Math Vocabulary

100

a number in front a variable

coefficient

200

This type of math problem has an equal sign.

Equation

300

to solve means to

evaluate

400

a letter used to represent a number

Variable

WILD CARD - BONUS 100 POINTS - IF CORRECT

500

numbers and/or variables separated by addition signs

terms

600

these numbers are all whole numbers and integers and decimals that repeat or end

rational numbers

Simplify

100

4 - 8x + 9 - x

-9x +13

200

3(-4x + 5)

-12x + 15

300

2x - 3y + 7 - y - 5

2x - 4y + 2

400

3(2x - 5) - 2x

4x - 15

500

6 -(3x + 2)

-3x + 4

600

3(-4x + 1) - 2(3 + 7x)

-26x - 3

PEMDAS

100

-2(9)

-18

200

3(5 - 2) * 4

36

300

(16/2)+10-3

15

WILD CARD - BONUS 100 POINTS - IF CORRECT

400

((3*12)/2)-4+2

16

500

30/(3+12)-1

1

600

(3+(2*9) - 5)/4

4

Multi-Step Equations

100

((x+1))/5=10

x = 49

200

15+6x -2x = 39

x = 6

300

-5x-2x+4=25

x = -3

400

172 = 2(2a + 3) 

a=7

500

-7 =-2(-8x - 7)+9

X =-15/8 or -1 7/8

600

Solving Equations 

4(6 + 5x)-2x = 30

x = 1/3

Multi-Step Equations w/ Variables on Both Sides

100

Solving Equations

5n - 2 = 8n - 14

n = 4

200

Solving Equations

32p + 1 = -79 - 8p

p = -2

300

Solving Equations

14n - 30 + 22n + 18 = 8n - 40

n = -1

400

Solving Equations

5x + 5 + 4x = 4 - 3x + 6

x= 5/12    or    x= 0.41667

WILD CARD - BONUS 100 POINTS - IF CORRECT

500

Solving Equations

-40n + 86 - n = - 22 - 5n

n = 3

600

 2x - 4 = 3x + 2(x - 3) 

x= 2/3