Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 11 - Systems of Equations and Inequalities - Chapter Review - Review Exercises - Page 794: 12


$\begin{cases} x+2y+5z=-2\\ 5x -3z=8\\ 2x-y =0 \end{cases}$

Work Step by Step

We are given the augmented matrix: $\begin{bmatrix}1&2&5&|&-2\\5&0&-3&|&8\\2&-1&0&|&0\end{bmatrix}$ Write the corresponding system of equations: $\begin{cases} x+2y+5z=-2\\ 5x -3z=8\\ 2x-y =0 \end{cases}$
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