Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1-2 - Cumulative Review - Page 152: 18



Work Step by Step

Using the properties of equality, in terms of $ n $, the given equation, $ an=p-rn $, is equivalent to \begin{array}{l}\require{cancel} an+rn=p \\\\ n(a+r)=p \\\\ n=\dfrac{p}{a+r} .\end{array}
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