Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - Guided Practice for Examples 1 and 2 - Page 161: 1


$x=-9\frac{5}{7}; y=\frac{1}{7}$

Work Step by Step

We solve using the eliminator method. We multiply the upper equation by 4 and then subtract the bottom equation from the upper equation. Doing this, we obtain: $$7y=1 \\ y=1/7$$ Therefore: $$x+5/7=-9\\ x = -9\frac{5}{7}$$
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.