Intermediate Algebra (12th Edition)

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

Chapter R - Section R.1 - Basic Concepts - R.1 Exercises: 57

Answer

0

Work Step by Step

The absolute value of a number $a$ is equal to $a$ if $a\geq0$ and is equal to $-a$ if $a\lt0$. $-1\lt0$, $-2\lt0$, and $-3\lt0$ Therefore, $|-1|+|-2|-|-3|=1+2-3=(1+2)-3=3-3=0$.
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