Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - 9.8 Using Equations to Solve Application Problems - 9.8 Exercises - Page 687: 29

Answer

The number is $6$.

Work Step by Step

Let $x =$ the number $5x + 12 = 7x$ $5x - 7x = -12$ $-2x = -12$ $x = \frac{-12}{-2}$ $x = 6$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.