Answer
$x=11$
Work Step by Step
$-12+x=-1$
Add 12 to both sides.
$-12+12+x=-1+12$
$x+0=11$
$x=11$
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 668: 23
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