Answer
$4x-1$
Work Step by Step
RECALL:
$a^m=a^n \longrightarrow m=n$
Thus, if the formula above is use in the given equation,
$4x-1=7$
Therefore the missing expression in the given statement is:
$4x-1$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Concept and Vocabulary Check - Page 725: 2
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