Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 6 - Cumulative Review: 4



Work Step by Step

$\frac{x}{7}+\frac{x}{5}=\frac{12}{5}$ The common denominator of these three fractions is $35$, so multiply the entire equation by $35$. $(35)(\frac{x}{7})+(35)(\frac{x}{5})=(35)(\frac{12}{5})$ Simplify $5x+7x=84$ Combine like terms $12x=84$ Divide by $12$ $x=7$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.