Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 5 - Exponential Functions - Chapter Review Exercises - Page 476: 13



Work Step by Step

Isolate the variable factor on one side, and then take the $n$th root of both sides to solve for the variable. If the root is even, there will be a positive and negative answer. If the root is odd and the other side is negative, there is only a negative answer. $-\frac{1}{3}x^7+345=-92967$ $-\frac{1}{3}x^7=-93312$ $x^7=279936$ $x=6$
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