#### Answer

x = 5

#### Work Step by Step

1. Given: 5x - 4 = 21
2. Add: 5x = 25
3. Divide: x = 5
4. Check: 5(5) - 4 = 21
21 = 21, so the solution is correct.

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

x = 5

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.