One Variable Equations

Choose the first step in solving the following equation.
-3y - 12 = 14

• add 3 from both sides

• add 12 to both sides

• subtract 12 from both sides

An inverse operation is

• reversing the sign in an inequality

• using the opposite operation to solve equations

•  A number’s distance from zero

Solve:
19  +  a  =  –40

• –950

• –59

• –31

• 2.6

Solve:
x – 8 = –5 

• 13

• –13

• 3

• –3

What value of x makes this equation true?

• 2.25

• 2

• 1.25

• 3

What equation is represented in the model?

• x-1 = 1

• 2x - 1 =10

• 4x + 2 = -10

• 4x - 2 = 10

• x=6
• x=9
• x=7
• x=8

Solve:

• 20

• 7

• 10

• 3

Solve:
6b = 30

• –24

• 24

• 180

• 5

Solve:

• 152

• 176

• 5

• 27