Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.1 - Basic Concepts - R.1 Exercises: 36

Answer

$x=4$ or $x=-4$

Work Step by Step

We know from the definition of the absolute value: $|x|=c$ implies $x=c$ or $x=-c$ (where $c$ is a number or expression) Thus: $|x|=4$ implies: $x=4$ or $x=-4$
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