Lesson 2-3: Solving Equations by Multiplication and Division

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Title: Lesson 2-3: Solving Equations by Multiplication and Division

1
Lesson 2-3 Solving Equations by Multiplication
and Division

2
Multiplication Property of Equality

If you multiply each side of the equal sign by
the same number, the equation is true

3
Multiplication Property of Equality

4
Division Property of Equality

If you divide each side of the equal sign by the
same number, the equation is true

5
Division Property of Equality

If you divide each side of the equal sign by the
same number, the equation is true
Think about undoing multiplication by doing the
opposite which is division
13s 195 -3x 36

6
Things to remember

Always get the variable by itself by undoing
the operation in the equation
Dividing by a fraction is the same as multiplying
by its reciprocal
Double check your answer after you find a
solution to make sure you didnt make a simple
mathematical mistake!!

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Examples Page 20

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Examples Page 20