Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapters 1-2 Cumulative Review Problem Set - Page 91: 34



Work Step by Step

We first create common denominators, and then we reduce to the lowest possible denominator: $$\frac{-30n}{30} - \frac{15n}{30} + \frac{18n}{30} + \frac{25n}{30} \\ = \frac{2n}{30} \\ = \frac{-n}{15}$$
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