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

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 $\{ -\frac{7}{3}\}$

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