Solving Equations Review

One-Step Equations

100

4 = x - 8

x= 12

200

x + 12 = 0

x= -12

300

3 = -2 – x

x= -5

400

-5x = -80

x= 16

500

-16 = x/2

x= -32

600

w/4 = -8

w = -32

Two-Step Equations

100

6x – 13 = 11

x= 4

200

3x + 5 = 14

x= 3

300

(x/2) +10=-8

x= -36

WILD CARD - BONUS 100 POINTS - IF CORRECT

400

(x/2)-4=10

x= 28

500

(x/3)+12=-3

x= -45

600

25 = 1/4n - 3

n = 112

Multi-Step Equations

100

Solving Equations

4x + 3 = 7

x = 1

200

Solving Equations

4(6 + 5x) = 124

x = 5

300

Solving Equations

-108 = -8(x + 6) - 4

x = 7

400

Solving Equations

172 = 5(4a + 6) + 2

a=7

500

Solving Equations

-93 = 7(-3k - 8) + 5

k = 2

600

Write the equation:
You buy 3 books that each cost the same amount and a magazine, totaling $55.99. The magazine cost $1.99. How much does each book cost?

Solve for 100 BONUS points.  

3b + 1.99 = 55.99

BONUS: 3b + 1.99 = 55.99
                  -1.99       -1.99

3b = 54.00

3b/3 = 54.00/3

b = 18   Each book costs $18.00.

Equations with rational numbers

100

Solving Equations

(1/4)x + 2/3 = 

x = 1 and 5/12

200

Solving Equations

4(8.5p + 2) = 59

p = 1.5

300

Solving Equations

(1/2)(5.5n - 2) = 18.25

n = 7

400

Solving Equations

5x + 5 + 4x = 20.75

x = 1.75

500

Solving Equations

5(-8n + 4) - n = 102

n = -2

600

8.5 = 3x + 2(x - 3) 

x= 2.3