Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 6 - Systems of Equations and Inequalities - Concept Byte - Matrices and Solving Systems - Page 382: 1

Answer

$x=12, y=-5$
1531710289

Work Step by Step

Please see the image. The steps are as follows: Multiply the second equation by -3 and add the results to row 1. Combine like terms in row 1. Multiply row 1 by -1. Combine like terms in row 1. Subtract row 1 from row 2.
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