Answer
$x=13$
Work Step by Step
RECALL:
$\log_a{b}=x \longrightarrow a^x=b$
Use this rule in converting the equation to its equivalent exponential equation to have:
$2^3=x-5
\\8=x-5
\\8+5 = x
\\13=x$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Section 9.8 - Exponential and Logarithmic Equations and Problem Solving - Exercise Set - Page 590: 12
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