Algebra 2 (1st Edition)

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


$x=2$ and $y=8$

Work Step by Step

$(-2\times1)+(1\times x)+(2\times3)=6$ $-2+x+6=6$ $x=6-6+2$ $x=2$ $0-2x+12=y$ $y=12-4=8$
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