Equations

What is the value of the variable x in the equation: 2x = 8

• 16

• 6

• 5

• 4

Solve: y/8 = 16

• y=2

• y=8

• y=1/2

• y=128

An equation is like a balanced __________?

What is the inverse operation of multiplication?

• Addition

• Subtraction

• Multiplication

• Division

Solve: z - 8 = 12

• z=4

• z=20

• z=18

• z=8

To "undo" an operation means to do the ___________ operation.

Solve: (1/2)x = 15

• x=7

• x=7.5

• x=30

• x=14.5

To solve for an equation is to find the value of the ___________.

Solve: 20y = 4800

• y=40

• y=240

• y=24

• y=400

The inverse operation of addition is ________________.