Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2: 58

Answer

X = -5

Work Step by Step

Let X represent the number we need to find. Nine times a certain number means 9X. Nine times a certain number is subtracted from 7 means 7 - 9X. Thus, we obtain: 7 - 9X = 52 Subtract 7 from both sides -9X = 45 Divide both sides by -9 X = -5
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.