Answer
31
Work Step by Step
Replace $x$ with 8 and $y$ with -23 in $x-y$:
$x-y=8-(-23)=8+23=31$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 2 - Section 2.3 - Subtracting Integers - Exercise Set - Page 120: 57
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