Question 872617
I hope you are comfortable with nonaugmented matrix:


{{{(matrix(2,3,3,1,-1,
6,4,2))}}}
{{{(matrix(2,3,3,1,-1,
3,2,1))}}}
{{{(matrix(2,3,
3,1,-1,
3,2,1))}}}
{{{(matrix(2,3,
3,1,-1,
0,1,2))}}}
{{{(matrix(2,3,
3,0,-3,
0,1,2))}}}
{{{(matrix(2,3,
1,0,-1,
0,1,2))}}}


y=2 and x=-1