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 - Page 211: 20


$-5=m$ or $1=m$

Work Step by Step

$3=|m+2|\longrightarrow$ definition of absolute value $-3=m+2$ or $3=m+2\longrightarrow$ solve each equation $-3=m+2\longrightarrow$ subtract 2 from each side $-3-2=m+2-2\longrightarrow$ subtract $-5=m$ OR $3=m+2\longrightarrow$ subtract 2 from each side $3-2=m+2-2\longrightarrow$ subtract $1=m$
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