Answer:
The answer is below
Explanation:
The question is not complete, but a similar question is attached and solved.
An augmented matrix is a matrix obtained by appending the columns of two given matrices. The augmented matrix can be represented as:
![\left[\begin{array}{ccc}2&5&3\\4&7&2\\6&9&4\end{array}\right] \left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}-1\\10\\-6\end{array}\right] \\\\\\\left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}2&5&3\\4&7&2\\6&9&4\end{array}\right] ^(-1)\left[\begin{array}{c}-1\\10\\-6\end{array}\right] \\\\\\](https://img.qammunity.org/2022/formulas/mathematics/college/ownv88ql0ug69ou89t9wa12foonqmsvv8h.png)
![\left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}-5/9&-7/18&11/18\\2/9&5/9&-4/9\\1/3&-2/3&1/3\end{array}\right] \left[\begin{array}{c}-1\\10\\-6\end{array}\right]\\\\\\\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{c}-7\\8\\-9\end{array}\right]](https://img.qammunity.org/2022/formulas/mathematics/college/1gtqef4eb1v3hf0ty6m5gcbr6x23lirtmx.png)
z = -9