Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises - Page 114: 56



Work Step by Step

$4+12a=-2(6-4a) \\\\ 4+12a=-12+8a \\\\ 4+4a=-12 \\\\ 4a=-16 \\\\ a=-4$ We first use the distributive property on the right side of the equation to simplify. We then subtract by 8a on both sides. Next, we subtract by 4 on both sides. Finally, we divide by 4 to get that $a=-4$.
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.