Answer
$x=-1,y=6$
Work Step by Step
If we add three times the first equation to the second equation, we get:
$13x=-13\\x=-1$
Now plugging this into the first equation: $3(-1)-y=-9\\-3-y=-9\\-y=-6\\y=6$
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 6 Rational Exponents and Radical Functions - Cumulative Review Chapters 1-6 - Page 474: 23
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