Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 12 - Exponential Functions and Logarithmic Functions - Connecting: The Concepts - Exercises - Page 824: 5

Answer

$x=4$

Work Step by Step

By the principle of logarithmic equality, $\ln 2x= \mathrm{l}\mathrm{n}8\quad \Rightarrow\quad 2x=8\quad \Rightarrow\quad x=4$
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