Answer
$$y=-1,\:x=-1$$
Work Step by Step
Solving the equation using substitution, we find:
$$3\cdot \frac{-12-5y}{7}-4y=1 \\ y=-1$$
Thus:
$$x=\frac{-12-5\left(-1\right)}{7}=-1$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
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 - 3.2 Exercises - Skill Practice - Page 164: 38
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
