Answer
$$y=1,\:x=-4$$
Work Step by Step
Solving the equation using substitution, we find:
$$-3\left(1-5y\right)+4y=16 \\ y=1$$
Thus:
$$x=1-5\cdot \:1=-4$$
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 - Quiz for Lessons 3.1-3.2 - Page 167: 8
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