Answer
$r=-10$
Work Step by Step
We are given the equation $-5=r+5$. In order to solve, we must subtract 5 from both sides.
$-5-5=r+5-5$
Therefore, $r=-10$.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - Mixed Review Exercises - Page 700: 18
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