Answer
$9$.
Work Step by Step
The given expression is
$=|-9|$
Use absolute value property $|-a|=a$.
$=9$
Hence, the simplified value is $9$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 1 - Solving Linear Equations - 1.4 - Solving Absolute Value Equations - Exercises - Page 32: 3
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