Answer
$\frac{3ln7}{1-ln7}\approx- 6.172$
Work Step by Step
Take logarithm on both sides to get $(x+3)ln7=x \longrightarrow (1-ln7)x=3ln7 \longrightarrow x=\frac{3ln7}{1-ln7}\approx- 6.172$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 5 - Exponential and Logarithmic Functions - Chapter Review - Chapter Test - Page 348: 18
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