Answer
$$y=-4,\:x=9$$
Work Step by Step
Solving the equation using substitution, we find:
$$ 2\cdot \frac{-1-7y}{3}+3y=6 \\ y=-4$$
Thus:
$$x=\frac{-1-7\left(-4\right)}{3}=9$$
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: 30
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