Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 12 - Review: 79

Answer

{$\frac{e^{-1}+3}{2}$}, {$1.6839$}

Work Step by Step

Step 1: $\ln (2x-3)=-1$ Step 2: $2x-3=e^{-1}$ Step 3: $2x=e^{-1}+3$ Step 4: $x=\frac{e^{-1}+3}{2}\approx1.6839$ Therefore, the exact solution is {$\frac{e^{-1}+3}{2}$}. The answer, to four decimal places, is {$1.6839$}.
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