23) Determine using the Simplex algorithm the optimal solution to the following linear programming problem: min s.t. min s.t. -5x12x2 3x3 - X4 X1- 2x2 - 2x3 + 2x4 4 -X1 + X2 + X3 X4 6 X1, X2, X3, X4 0 24) Determine using the Simplex algorithm the optimal solution to the following linear programming problem: max s.t. - Z= 6x1 + 3x 2x1 + 4x2 16 4x1+ 3x 24 X1, X 0 25) Determine using the Simplex algorithm the optimal solution to the following linear programming problem: Z= 6x1 + 3x2 X1 + X = 16 2x1+ 8x2 80 X 20 X1, X 0 150%