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Pearson Algebra 1 Common Core, 2011 View details

8. Proportions and Similar Figures

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Exercise 38 Page 136

Use the Properties of Equality to solve the proportion.

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Practice makes perfect

To solve the proportion we will use the Properties of Equality. Remember that we will need to treat m+1 as a single quantity in the multiplication process.

-3/m=2/m+1

MultEqn

LHS * m=RHS* m

-3=2/m+1 * m

MultEqn

LHS * (m+1)=RHS* (m+1)

-3*(m+1)=2* m

Multiply

-3(m+1)=2m

We will continue solving for m using the Distributive Property and the Properties of Equality.

-3(m+1)=2m

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