Question 1077832
{{{(matrix(3,5,1,3,1,"|",10,
1,1,-1,"|",2,3,11,5,"|",35))}}} ---> {{{(matrix(3,5,1,3,1,"|",10,
0,2,2,"|",8,0,2,2,"|",5))}}}
It cannot be that {{{2y+2z=8}}} and {{{2y+2z=5}}} for the same {y,z) pair.