Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 4 - Section 4.4 - Solving Systems of Equations by Matrices - Exercise Set - Page 240: 40

Answer

The issue is that the coefficient for $x$ is incorrect. It should be $0$ instead of $-1$.

Work Step by Step

Also, the coefficient for $y$ is wrong. It should be $-1$ instead of $0$.
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