Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.2 - Adding Integers - Exercise Set: 19

Answer

$-9$

Work Step by Step

$|-2|=2, |-7|=7$, and $2=7=9$. Their common sign is negative, so the sum is negative: $-2+(-7)=-9$
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