Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-7 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises: 49

Answer

d=9 and d=-9

Work Step by Step

First, subtract 3 from both sides to isolate the inequality |2d| = 18 then divide both sides by 2 to solve for d |d|=-9 and 9
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