Solving Equations

What is the inverse of addition?

• Addition

• Subtraction

• Multiplication

• Division

What is the inverse of Subtraction?

• addition

• subtraction

• Multiplication

• Division

What is the first step to solve this equation?

n + 7 = 15

• Get rid of the n

• Multiply 7 by 15

• Add 7 and 15

• Subtract 7 from both sides

What is the first step to solve this equation?

b - 12 = 11

• subtract 12 from both sides

• add 12 to both sides

• remove the b

• multiply 12 by 11

Solve this equation:

c + 13 = 25

• c = 13

• c = 12

• c = 38

• c = 25

Solve this equation:

n + 8 = 10

• n = 2

• n = 18

• n = 8

• n = 10

Solve this equation:

h - 15 = 15

• h = 15

• h = 0

• h = 30

• h = 20

Solve this equation:

56 = d - 24

• d = 24

• d = 32

• d = 56

• d = 80

Solve this equation:

125 = x + 75

• x = 75

• x = 50

• x = 200

• 75

Solve this equation:

v - 27 = 81

• v = 54

• v = 108

• v = 81

• 54