Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Practice and Problem-Solving Exercises - Page 92: 51


The student subtracted by 4 in the first step instead of adding. The question done correctly is below.

Work Step by Step

We need to get the x alone, so we cancel out the subtraction by adding 4 on both sides. This leaves us with the equation 2x=12. We use division to cancel out multiplication, so we divide both sides by 2 to get that x=6.
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.