Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 9 - Systems and Matrices - 9.2 Matrix Solution of Linear Systems - 9.2 Exercises: 15

Answer

$\left\{\begin{array}{llll} 3x & +2y & +z & =1\\ & 2y & +4z & =22\\ -x & -2y & +3z & =15 \end{array}\right.$

Work Step by Step

The augmented matrix of the system consists of the elements of the coefficients matrix to the left, and the elements of the constants matrix to the right of (an optional) vertical line: The system associated with the augmented matrix is $\left\{\begin{array}{llll} 3x & +2y & +z & =1\\ & 2y & +4z & =22\\ -x & -2y & +3z & =15 \end{array}\right.$
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