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.
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 1 - Section 1.1 - Linear Equations in One Variable - 1.1 Exercises - Page 51: 20
Update this answer!
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.
