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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

4. Adding and Subtracting Rational Expressions

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Exercise 65 Page 689

Solve for the variable by using the Cross Products Property.

5/3

Practice makes perfect

To solve the proportion, we will use the Cross Products Property.

1/x=3/5

Cross multiply

1 * 5=x * 3

Identity Property of Multiplication

5=x * 3

Multiply

5=3x

.LHS /3.=.RHS /3.

5/3=x

Rearrange equation

x=5/3

Subchapter links

Lesson Check p.687

Standardized Test Prep p.689

Mixed Review p.689