#### Answer

$3+n$

#### Work Step by Step

The sum of 3 and a number=3+n

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$3+n$

The sum of 3 and a number=3+n

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.