Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-7 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises - Page 211: 30


n=2 or n=−2

Work Step by Step

|−3n|−2=4⟶ add 2 to each side |−3n|−2+2=4+2⟶ add |−3n|=6⟶ definition of absolute value −3n=−6 or −3n=6⟶ divide each part by -3 −3n÷−3=−6÷−3 or −3n÷−3=6÷−3⟶ divide n=2 or n=−2
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