Answer
-1
Work Step by Step
$|x|=x$ if $x\geq0$
$|x|=-x$ if $x\lt0$
Given that $-1\lt0$:
$|-1|=-(-1)=1$
Given that $-2\lt0$:
$|-2|=-(-2)=2$
$|-1|-|-2|=1-2=-1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.1 - Review of Real Numbers and Their Properties - Exercises - Page 12: 33
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