Solve using artificial variables The maximum is z = (Simplify your answers.) when x₁ = and X₂ = Maximize subject to Z=3X₁ + 2x₂ X₁ + X₂ = 50 4X₁ + 2x₂ ≥ 130 5x₁ + 2x₂ <200 X₁ ≥ 0, X₂ ≥ 0