Answer
$r=-7$
Work Step by Step
We are given the equation $-8r=56$. We can solve for r by dividing both sides by -8.
$\frac{-8r}{-8}=\frac{56}{-8}$
Therefore, $r=-7$.
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 - Review Exercises - Page 698: 81
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