Answer
$A=\left[\begin{array}{llll}2 & 0 & 3 & -4\end{array}\right]$
Work Step by Step
$A x=\left[\begin{array}{llll}2 & 0 & 3 & -4\end{array}\right]\left[\begin{array}{l}x_{1} \\ x_{2} \\ x_{3} \\ x_{4}\end{array}\right]$
Linear Algebra and Its Applications (5th Edition)
by Lay, David C.; Lay, Steven R.; McDonald, Judi J.
Published by
Pearson
ISBN 10:
032198238X
ISBN 13:
978-0-32198-238-4
Chapter 1 - Linear Equations in Linear Algebra - 1.9 Exercises - Page 79: 20
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