Question

Which matrix represents the solution to the system of equations below?

Answer 1

Answer:

The solution for this system is matrix A

Step-by-step explanation:

You can see step by step explanation in the attach.

First you have to identify the initial matrix looking at the coeficients. Once you do that, you proceed following rules to solve matrixs until obtaining the identity matrix. When you find this matrix, you find the solution for the system.

Answer 2

Answer:

is C $\left[\begin{array}{ccc}2&1&1\\-1&1&-1\\1&-2&2\end{array}\right]$