Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.8 Absolute Value Equations and Inequalities - 1.8 Exercises - Page 168: 60


The solution is $x=-\dfrac{7}{2}$

Work Step by Step

$|7+2x|=0$ Since the absolute value equation is equal to $0$, the solution can be found by solving the following equation: $7+2x=0$ Take $7$ to the right side: $2x=-7$ Solve for $x$: $x=-\dfrac{7}{2}$
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