Add Sub One Step Equations

Pairs of operations that undo each other

• inverse operations

• solution

• inequality

Adding 41 is the inverse of ...

• Multiplying by 42

• Subtracting 41

• Dividing by 42

The inverse operation for an equation that includes add 18 is:

• subtract 8

• subtract 18

• add 8

• add 18

Solve the equation.

x + 9 = -5

Mathematical Equivalence

OFF

In order to solve 6j - 9 = 27, I would first ​ (a)   , then ​ (b)   .

• add 9 to both sides

• subtract 9 from both sides

• divide by 9 on both sides

• divide both sides by 6

• subtract 6 from both sides

• add 6 to both sides

Solve: y -7 = 5

Mathematical Equivalence

ON

Solve the equation

8x = 160

Mathematical Equivalence

OFF

What is the inverse of addition?

• Subtraction

• Division 

• Multiplication

Subtracting 17 is the inverse of ...

• Dividing by 17

• Multiplying by 17

• Adding 17

n + 4 = 12

• 16

• 3

• 8

• 7