Solving Equations

1
Solving Equations

• Using Multiplying or Dividing

2
Inverse Operations

• Inverse operations undo each other
• To undo Addition you Subtract
• To undo Subtraction you Add
• To undo Multiplication you Divide
• To undo Division you Multiply

3
Inverse Operations

• When we undo operations we work backwards to
  solve an equation
• Equations must remain balanced
• GOAL!!
• To get the variable alone on one side of the
  equation
• B 25

4
Inverse Operations

• Undo Multiplication
• Equations must remain balanced

5
Inverse Operations

• Undo Multiplication
• Equations must remain balanced

6
Inverse Operations

• Undo Multiplication
• Equations must remain balanced

7
Inverse Operations

• Undo Multiplication
• Equations must remain balanced

8
Inverse Operations

• Undo division
• Equations must remain balanced

9
Inverse Operations

• Undo division
• Equations must remain balanced

10
Inverse Operations

• Undo division
• Equations must remain balanced

11
Inverse Operations

• Undo division
• Equations must remain balanced

12
Inverse Operations

• Undo Multiplication
• Equation must remain balanced

13
Inverse Operations
14
Inverse Operations

• Undo Multiplication
• Equation must remain balanced

15
Inverse Operations
16
Inverse Operations

• Undo Division
• Equation must remain balanced

17
Inverse Operations
18
Inverse Operations
19
Inverse Operations

• Undo Division
• Equation must remain balanced

20
Inverse Operations
21
Inverse Operations

• Translate the following sentence into an equation
• Solve using inverse operations
• Seven more than b is 17

22
Inverse Operations

• Undo addition
• Equation must remain balanced

23
Inverse Operations

• Translate the following sentence into an equation
• Solve using inverse operations
• Twice a certain number is 6

24
Inverse Operations

• Undo multiplication
• Equation must remain balanced

25
Inverse Operations

• Translate the following sentence into an equation
• Solve using inverse operations
• A number decreased by 12 is 23

26
Inverse Operations

• Undo subtraction
• Equation must remain balanced