Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.7 Solve Absolute Value Equations and Inequalities - 1.7 Exercises - Skill Practice - Page 56: 69

Answer

all the real numbers apart from $x=9$

Work Step by Step

We know that $|ax+b|\geq0$ for all real numbers $a,b$. Hence here the solution set is all the real numbers apart from $|x-9|=0\\x-9=0\\x=9$
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