Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter R - Section R.2 - Operations on Real Numbers - R.2 Exercises - Page 20: 49



Work Step by Step

$|-11|-|-5|-|7|+|-2|=(11)-(5)-(7)+(2)=11-5-7+2=6-7+2=6+(-7)+2=-1+2=2-1=1$ Recall that $|a|=-a$ if $a\lt0$ and $|a|=a$ if $a\geq0$.
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