#### Answer

3

#### Work Step by Step

9 is negative, so instead of adding 9, we subtract 9. When we do this, we obtain the following solution:
$12-9=3$

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

3

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.