Answer
-12
Work Step by Step
To evaluate, substitute the given values for the variables.
$x-y=(-3)-(9)=-3-9=-12$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 8 - Cumulative Review - Page 600: 3
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