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: 75

Answer

$x=\left\{ \dfrac{4}{3},2 \right\}$

Work Step by Step

Since $|x|=a$ implies $x=a \text{ OR } x=-a$, then the statement $ |3x-5|+4=5 $ evaluates to \begin{array}{l} |3x-5|=1\\ 3x-5=1\\ 3x=6\\ x=2 ,\\\\\text{OR}\\\\ 3x-5=-1\\ 3x=4\\\\ x=\dfrac{4}{3} .\end{array} Hence, the solution set is $ x=\left\{ \dfrac{4}{3},2 \right\} $.
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