Equations

What is the inverse operation of addition?

• Addition

• Subtraction

• Multiplication 

• Division 

What is the inverse operation of division?

• Addition

• Subtraction

• Multiplication

• Division

h - 21 = 16

What is the first thing you need to do to solve this problem?

• Add 21 to both sides

• Subtract 21 from both sides

• Multiply by 21 on both sides

• Divide by 21 on both sides

8x = 40

What is the first thing you do to solve this equation?

• Add 8 to both sides

• Subtract 8 from both sides

• Multiply by 8 on both sides

• Divide by 8 on both sides

7m = 28

p - 17 = 15

  $\frac{c\ }{3}$  = -6

a + 12 = 15

-8 + k = 9

-9y = -126