Answer
Interval: [-10, 10]
Work Step by Step
$|2x|\leq 20$
$-20\leq 2x\leq 20$
$-20/2\leq 2x/2\leq 20/2$
$-10\leq x\leq 10$
Interval: [-10, 10]
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 1, Equations and Graphs - Section 1.8 - Solving Absolute Value Equations and Inequalities - 1.8 Exercises - Page 153: 24
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