Answer
$x=1$, $y=6$
Work Step by Step
Please see the image. The steps are as follows:
Add row 2 to row 1.
Combine like terms.
Add row 1 to row 2.
Combine like terms.
Divide row 2 by -2.
Algebra 1
by Hall, Prentice
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: 3
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