Math 8 - Solving Equations

One-Step Equations

100

4 = -8 + x

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

Two-Step Equations

100

6x – 13 = 11

x= 4

200

3x + 5 = 14

x= 3

300

x/2 -3=-8

x= -10

400

x/2-50=10

x= 120

500

x/3+16=-3

x= -57

Multi-Step Equations (some unfamiliar)

100

Solving Equations

3x + 4x = 7

x = 1

200

Solving Equations

4 + 5x = 29

x = 5

300

Solving Equations

-45 = 7x + 4 

x = -7

400

Solving Equations

14 = (3a + 8)

a=2

500

Solving Equations

-21 = 7(5k - 8)

k = 1