Answer
$x=5$ or $x=-2$
Work Step by Step
$|2x-3|=7$
We replace this with two equations: $2x-3=7$ and $2x-3=-7$
$2x-3=7$
$2x=7+3=10$
$x=10/2=5$
$2x-3=-7$
$2x=-7+3=-4$
$x=-4/2=-2$
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: 10
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