5-5 - 3 ∙ 2 1 1 1 m 1 = ∙ 2 6 m = 6 Check answers in...

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Solving Fraction Equations by Multiplying Lesson 5-5

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If the variable is in the fraction… When the variable is the numerator of the fraction, then it suggests a division problem. To solve a division problem, the inverse operation is multiplying.
Example y 8 = 20 This equation reads “y divided by 8 equals 20.” The opposite of dividing by 8 is multiplying by 8. Multiply both sides by 8.

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y 8 = 20 8 1 1 1 y 1 = 8 160 y = 160
Example 2 m 2 =

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Unformatted text preview: 3 ∙ 2 1 1 1 m 1 = ∙ 2 6 m = 6 Check answers in the original equation. m 2 = 3 6 2 = 3 3 = 3 If the variable is being multiplied by a fraction… • To isolate a variable that is being multiplied by a fraction, multiply by the reciprocal. • Perform the same operation on the other side of the equation. Example 2 3 r = 10 ∙ 3 2 1 1 1 1 1 r = ∙ 3 2 1 5 1 15 1 r = 15 Homework Time...
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This note was uploaded on 11/17/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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5-5 - 3 ∙ 2 1 1 1 m 1 = ∙ 2 6 m = 6 Check answers in...

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