Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set: 1

Answer

$\frac{5}{x}$

Work Step by Step

$\frac{4}{2x}$+$\frac{9}{3x}$= $\frac{4*3}{2x*3}$+$\frac{9*2}{3x*2}$= $\frac{12}{6x}$+$\frac{18}{6x}$=$\frac{12+18}{6x}$=$\frac{30}{6x}$= $\frac{5}{x}$
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