Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - Review Exercises - Page 412: 14



Work Step by Step

$3^{x+3}=\frac{1}{81}=81^{-1}$ $3^{x+3}=(3^4)^{-1}$ $3^{x+3}=3^{-4}$ Using the One-to-One Property: $x+3=-4$ $x=-4-3$ $x=-7$
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