College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.4: 86

Answer

$x = 22$

Work Step by Step

$\log(x-2)+\log 5 = \log 100$ $\log [5(x-2)] = \log 100$ $\log (5x - 10) = \log 100$ $5x - 10 = 100$ $5x = 100 + 10$ $5x = 110$ $x = \frac{110}{5}$ $x = 22$
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