Solve Equations with Multiplication and Division

Why do you multiply by 7 on both sides?

• To undo division, you must multiply.

• To balance the equation, you must divide by 7 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 7 on both sides.

How do you solve this equation?

• divide by 3 on both sides

• divide by 3.3 on both sides

• multiply by 3 on both sides

• multiply by 3.3 on both sides

Why do you multiply by 8?

• To undo division, you must multiply.

• To balance the equation, you must divide by 8 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 8 on both sides.

Why do you multiply by 8 on both sides?

• To undo division, you must multiply.

• To balance the equation, you must divide by 8 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 8 on both sides.

Solve the equation.

-8x = -48

Mathematical Equivalence

OFF

How do you solve this equation?

• divide by 8 on both sides

• divide by 10 on both sides

• multiply by 8 on both sides

• multiply by 10 on both sides

Solve this equation.

• h = 80

• h = 8

• h = 1.25

• h = 12.5

Why do you divide by 5?

• To undo division, you must multiply.

• To balance the equation, you must divide by 5 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 5 on both sides.

Why do you divide by 5 on both sides?

• To undo division, you must multiply.

• To balance the equation, you must divide by 5 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 5 on both sides.

Why do you multiply by 7?

• To undo division, you must multiply.

• To balance the equation, you must divide by 7 on both sides.

• To undo multiplication, you must divide.

• To balance the equation, you must multiply by 7 on both sides.