Answer
$r=-3$
Work Step by Step
$-5=-2+r$
Add 2 to both sides.
$-5+2=-2+2+r$
$-3=r+0$
$r=-3$
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 - 9.6 Solving Equations - 9.6 Exercises - Page 669: 25
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