Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 1-3 - Cumulative Test - Page 143: 5

Answer

$x=10, y=-20, z =40, w=-12$

Work Step by Step

Using Wolfram Alpha (see attached image), the solution is: $x=10, y=-20, z =40, w=-12$
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