Ex. Solve the following LP problem using simplex method. max 7 * + 6x2 min -fx, -6x2 subject to 2 x, + 7 2 53 - 5. to: 12x, + x2+ x = 3 *, + 4 x2 54 * , + 4x2 + kq= 4 x , , x 2 70 X1 1b O 3 21 4 4 D D C -6 * 2 - - 6- 5.].[47 2 - 6 X4 1b O 3/2 Rge Rg+ 7R, 0 G 0 X1 b 1 O 4/2 - YA D\f3. (30 points) Convert the following LP problems to standard form, and solve it using the simplex method: Maximize: Subject to: 3x]