Answer
The solution set is { $-12,12$}.
Work Step by Step
$\frac{3}{4}|x|=9$ Isolate the absolute value by making the coefficient of$ |x|$ one.
$|x|=9\cdot\frac{4}{3}$
$|x|=12$
$x=12$ or $x=-12$
The solution set is { $-12,12$}.
College Algebra (10th Edition)
by Sullivan, Michael
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 - Page 133: 20
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