Answer
$x=4$.
Work Step by Step
The solution is $x=4$.
Reason: Any number raised to 0 is 1.
$x-4$ is $0$ when $x=4$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 6 - Exponential Functions and Sequences - 6.5 - Solving Exponential Equations - Exercises - Page 330: 47
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