#### Answer

$m=-6$

#### Work Step by Step

$-3+m=-9$
Add 3 to both sides.
$-3+3+m=-9+3$
$m+0=-6$
$m=-6$

Chegg costs money, GradeSaver solutions are free!

Published by
Pearson

ISBN 10:
0134467795

ISBN 13:
978-0-13446-779-5

$m=-6$

$-3+m=-9$
Add 3 to both sides.
$-3+3+m=-9+3$
$m+0=-6$
$m=-6$

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.