how do you write the solution that can be read from this simplex tableau?

x1 x2 x3 s1 s2 s3 z
0 2 0 5 2 2 0 15
0 3 1 0 1 2 0 2
7 4 0 0 3 5 0 35

0 -4 0 0 4 3 2 40

Determine if the tableaux is; the final answer, requires additional pivoting, indicates no solution to the problem


A b c d e
1 1/2 1/4 0 0 30
0 1 -1/2 1 0 20
0 -1 1 0 1 120

Determine if the tableaux is; the final answer, requires additional pivoting, indicates no solution to the problem


A b c d e
1 1/2 1/4 0 0 30
0 1 -1/2 1 0 20
0 -1 1 0 1 120

3x-2y=13
2x+7y=-33