College Algebra 7th Edition

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: 10

Answer

$x=5$ or $x=-2$

Work Step by Step

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