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**3. 3 Solving Equations Using Addition or Subtraction 3**

3.3 Solving Equations Using Addition or Subtraction 3.4 Solving Equations Using Multiplication or Division 9/6/16

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**Solution of an Equation**

A number that can be substituted for the variable to make the equation true

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Example 1 Is n=12 a solution for n-8=20? How about 28?

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**Inverse Operations Are opposites- they undo each other**

Adding and subtracting Multiplying and dividing Use these to move terms to the opposite side of the equation

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Example 2 Example 3

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Example 4 Example 5

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Example 6 Example 7

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