Answer
$x = 3$
Work Step by Step
$2(3^{x}) -557 = -503$
$2(3^{x}) = -503+557$
$2(3^{x}) = 54$
$3^{x} = \frac{54}{2}$
$3^{x} = 27$
$x = \log_3 27$
$x = \log_3 3^{3}$
$x = 3$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 5 - Exponential Functions - Chapter Test - Page 479: 14
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