Question 638517
The system of linear equations 


3x-2y+5z=31
x+3y-3z=-12
-2x-5y+3z=11


converts to augmented matrix


<img src="http://latex.codecogs.com/gif.latex?\left[ \begin{array}{ccc|c} 3 & -2 & 5 & 31 \\ 1 & 3 & -3 & -12 \\ -2 & -5 & 3 & 11 \\ \end{array} \right]" title="\left[ \begin{array}{ccc|c} 3 & -2 & 5 & 31 \\ 1 & 3 & -3 & -12 \\ -2 & -5 & 3 & 11 \\ \end{array} \right]" />