Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 1 - Summary Exercises - Reviewing a Chapter - Solving Linear and Absolute Value Equations and Inequalities: 12

Answer

$(-∞,∞)$

Work Step by Step

We are given the inequality $|5x-8|+9\geq7$. In order to solve, first subtract 9 from both sides. $|5x-8|\geq-2$ Therefore, $x$ will have a solution of all real numbers, because the absolute value of $5x-8$ will be greater than -2 for all real numbers.
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