Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - Quiz - Page 461: 2

Answer

$x=4$

Work Step by Step

As $4=2^2$ and $8=2^3$, we can rewrite the equation as $(2^2)^{2x+1}=(2^3)^{3x-6}$. Thus, $2(2x+1)=3(3x-6)$ which gives $4x+2=9x-18$ and $5x=20$, $x=4$
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