Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-9 Patterns, Equations, and Graphs - Practice and Problem-Solving Exercises: 41

Answer

20 is a solution to this equality.

Work Step by Step

We follow the instructions and plug 20 in for a. This gives us the following: 80=4(20) 80=80 80 does equal 80, so 20 is a solution to this equality.
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.