Elementary Algebra

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

Chapter 2 - Real Numbers - 2.2 - Addition and Subtraction of Rational Numbers - Problem Set 2.2: 92

Answer

$-\frac{89}{56}n$

Work Step by Step

We first apply the distributive property. Then, we simplify the resultant expression: $-\frac{3}{8}n-n-\frac{3}{14}n$ =$n(-\frac{3}{8}-1-\frac{3}{14})$ =$n(\frac{-3(7)-1(56)-3(4)}{56})$ =$n(\frac{-21-56-12}{56})$ =$n(\frac{-21-68}{56})$ =$n(\frac{-89}{56})$ =$-\frac{89}{56}n$
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