Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 4 - Section 4.3 - Equations and Inequalities Involving Absolute Value - Exercise Set - Page 284: 77

Answer

{$-7,-2$}

Work Step by Step

Given: $|3-x|=|3x+11|$ or,$3-x=3x+11$ and $3-x=-(3x+11)$ or, $-x-3x=11-3$ and $-x+3x=-11-3$ or, $-4x=8$ and $2x=-14$ or, $x=-2$ and $x=-7$ Hence, {$-7,-2$}
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