Answer
$x = 1.43$
Work Step by Step
$e^{12-5x} - 7 = 123$
$e^{12-5x} = 123 + 7$
$e^{12-5x} = 130$
$12-5x = \ln 130$
$-5x = \ln 130 - 12$
$x = -\frac{\ln 130 - 12}{5}$
$x = 1.43$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 4 - Summary, Review, and Test - Review Exercises - Page 511: 70
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