Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Appendix A - A.2 - Formulas and Equations - Exercises - Page 546: 24

Answer

y=-3

Work Step by Step

We add $4y$ to both sides: $3y + 4y = 7y = -21$ We divide both sides by 7: $y = -21\div 7 = -3$
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.