Precalculus (6th Edition) Blitzer

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: 5

Answer

$3$

Work Step by Step

RECALL: If $a^M=a^N$, then $M=N$. Write 32 as a power of 2 to obtain $2^{2x-1}=2^5.$ Use the rule above to obtain $2x-1=5 \\2x=5+1 \\2x=6 \\x=\frac{6}{2} \\x=3.$
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