Answer
$x=\frac{e^{3.4}-5}{2}\approx12.4821$
Work Step by Step
$\ln (2x+5)=3.4$
Rewriting in exponential form, $2x+5=e^{3.4}$.
Now solving for x:
$2x+5=e^{3.4}$
$2x=e^{3.4}-5$
$x=\frac{e^{3.4}-5}{2}\approx12.4821$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Section 12.7 - Common Logarithms, Natural Logarithms, and Change of Base - Exercise Set - Page 890: 44
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