Answer
$x=2$ and $y=8$
Work Step by Step
$(-2\times1)+(1\times x)+(2\times3)=6$
$-2+x+6=6$
$x=6-6+2$
$x=2$
$0-2x+12=y$
$y=12-4=8$
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 - Skill Practice - Page 200: 30
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