Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises - Page 56: 20


It is a solution.

Work Step by Step

As the problem asks us to do, we plug in -8 for a. $9(-8)-(-72)=0 \\\\ -72+72=0 \\\\ 0=0$ This is true, so it is a solution.
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.