#### Answer

$x=15$

#### Work Step by Step

$2x+10=40$
2x=30
x=15

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

$x=15$

$2x+10=40$
2x=30
x=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.