Solve for the Unknown Multiplication and Division Equation

When solving algebraic equations, to undo multiplication we use ______________ .

• multiplication

• subtraction

• addition

• division

When solving algebraic equations, to undo division we use ______________ .

• subtraction

• addition

• multiplication

• division

• Multiply both sides by 15.

• Divide both sides by 15.

• Multiply both sides by 3.

• Divide both sides by 3.

What inverse operation is used to solve this equation?

• Multiply both sides of the equation by 10.

• Divide both sides of the equation by 10.

• Divide both sides of the equation by 40. 

• Multiply both sides of the equation by 40.

Solve for the unknown

3x___=30

• 10

• 9

• 7

• 8

• Multiply both sides of the equation by 26.

• Multiply both sides of the equation by 13.

• Divide both sides of the equation by 13.

• Divide both sides of the equation by 26.

What is the inverse operation of multiplication?

• Addition

• Subtraction

• Multiplication

• Division

What is the inverse operation of division?

• Addition

• Subtraction

• Multiplication

• Division

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Cheryl gets paid $8 per hour for her job at the record store.  She made a total of $96 last week.  Which equation models this situation?

• 96h = 8

• h/96 = 8

• 8h = 96

• h/8 = 96