Answer
Solution set = $\{3\}.$
Work Step by Step
$5^{x}=125\quad $ ...Recognize 125 as a power of 5
$ 5^{x}=5^{3}\qquad $... if $ a^{m}=a^{n}$, then $ m=n $
$ x=3$
Solution set = $\{3\}.$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 3 - Section 3.4 - Exponential and Logarithmic Equations - Exercise Set - Page 488: 3
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