Answer
$\approx0.495$
Work Step by Step
$7^{3x}=18\\\log_7{(7^{3x})}=\log_718\\3x=\log_718\\x=\frac{\log_718}{3}\approx0.495$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 7 Exponential and Logarithmic Functions - 7.6 Solve Exponential and Logarithmic Equations - 7.6 Exercises - Skill Practice - Page 520: 14
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