Answer
$-24$
Work Step by Step
$|-12|=12, |-12|=12$, and $12+12=24$.
Their common sign is negative, so the sum is negative:
$-12+(-12)=-24$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 2 - Section 2.2 - Adding Integers - Exercise Set - Page 112: 21
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
