Answer
$\{ -\frac{7}{3}\}$
Work Step by Step
As an absolute value can not be less than zero, the only solution is $3x+7=0$ which gives $x=-\frac{7}{3}$ and the solution set is $\{ -\frac{7}{3}\}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - Test - Page 182: 30
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