Solve the linear programming problem by the simplex method. Maximize 20x + 15y subject to the following constraints. - 2x x ≥ 0, X + X + X + x ≥0, Put the second constraint into ≤ form. + X + X + y≤ 3 3у 2 3 y20 X + y s y ≤ y20 Construct the corresponding linear system. y + u 3 y y 3 + V The maximum value of M is + M= 0 which is attained for x = and y=

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