Answer
$k=-8.05$
Work Step by Step
We are given the equation $12.92+k=4.87$. We can solve for k by subtracting 12.92 from both sides.
$12.92-12.92+k=4.87-12.92$
Therefore, $k=4.87+(-12.92)=-8.05$.
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: 80
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