5 =  x 20   How do you find the value of X? They are both fractions.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.3: Solving Proportions Using Cross Products
Problem 40E
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3
5

x
20

 

How do you find the value of X? They are both fractions.

 

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Step 1

Just cross multiply and then divide by coefficient of x.

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