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 - Page 516: 40



Work Step by Step

$\frac{10}{3n-4}$-$\frac{5}{4-3n}$= $\frac{10}{3n-4}$-$\frac{5(-1)}{(4-3n)(-1)}$= $\frac{10}{3n-4}$+$\frac{5}{3n-4}$= $\frac{10+5}{3n-4}$=$\frac{15}{3n-4}$
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