Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - Prerequisite Skills - Page 850: 7



Work Step by Step

Let's first move all the constants to one side of the equation. To do this, add 5 to both sides. That yields, $4^x=8$ We can rewrite this equation to make it easier for us, since $2^2=4$, and $2^3=9$ $2^{2x}=2^3$. Then, $2x=3$ And finally $x=1.5$
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