Basic College Mathematics (10th Edition)

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

Chapter 9 - Basic Algebra - Test - Page 702: 23



Work Step by Step

We are given the equation $30=-1+r$. In order to solve, we must add 1 to both sides. $30+1=-1+1+r$ Therefore, $r=31$.
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.