Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.7 - Absolute Value Inequalities - Exercise Set - Page 106: 71

Answer

$x=-\dfrac{9}{4}$

Work Step by Step

Since $|x|=a$ implies $x=a \text{ OR } x=-a$, then the statement $ |9+4x|=0 $ evaluates to \begin{array}{l} 9+4x=0\\ 4x=-9\\\\ x=-\dfrac{9}{4} .\end{array}
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