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: 6

Answer

$1$

Work Step by Step

RECALL: If $a^M=a^N$, then $M=N$. Write 27 as a power of 3 to obtain $3^{2x+1}=3^3.$ Use the rule above to obtain $2x+1=3 \\2x=3-1 \\2x=2 \\x=\frac{2}{2} \\x=1.$
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