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: 21

Answer

$-24$

Work Step by Step

$|-12|=12, |-12|=12$, and $12+12=24$. Their common sign is negative, so the sum is negative: $-12+(-12)=-24$
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