Answer
$b=-1.6$
Work Step by Step
We are given the equation $8.9=10.5+b$.
Subtract 10.5 from both sides.
$8.9-10.5=10.5-10.5+b$
$8.9-10.5=-1.6=b+0$
Therefore, $b=-1.6$.
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: 38
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