1-Step Equations with Multiplication and Division

What is the inverse operation of multiplication?

• addition

• subtraction

• division

• none of the above

9z = 81 can be solved be doing the 

• inverse operation, which is divide both sides by 9

• inverse operation which is multiply both sides by 9

• duplicate operation which is divide both sides by 9

• fractal operation which is divide both sides by 9

r/4 = 13

• r = 17

• r = 52

• r = 27

• r = 9

c/16 = 2

• c = 1

• c = 2

• c = 32

• c = 18

8z = 112

• 14

• 120

• 104

• 896

d/14 = 7

• 2

• 98

• -2

• 21

b/12 = 5

• 17

• 60

• 7

• -7

a=?

• 10

• -24

• -14

• -⅙

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations

• math

• variable

• PEMDAS

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.