Answer
$x=-1$ and $y=4$
Work Step by Step
$3x+2y=5$
$-x+3y=13$ $/\times(3)$
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$3x+2y=5$
$-3x+9y=39$
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$11y=44$
$y=\frac{44}{11}$
$y=4$
For $y=4$...
$-x+3(4)=13$
$-x=13-12$
$-x=1$
$x=-1$
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 - 3.6 Multiplying Matrices - 3.6 Exercises - Mixed Review - Page 202: 58
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