#### Answer

$y=-15$

#### Work Step by Step

Adding $
6
$ to both sides of the given equation, $
-6+y=-21
$, then,
\begin{array}{l}
-6+y+6=-21+6
\\\\
y=-15
.\end{array}

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$y=-15$

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.