College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.6 - Equations and Inequalities Involving Absolute Value - 1.6 Assess Your Understanding: 14


The solution set is {$-1,2$}.

Work Step by Step

$|1-2x|+6=9$ Isolate the absolute value. $|1-2x|=9-6$ $|1-2x|=3$ $1-2x=3$ or $1-2x=-3$ $-2x=2$ or $-2x=-4$ $x=-1$ or $x=2$ The solution set is {$-1,2$}.
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