Use simplex method to solve the LPP
Max Z = 3xj + 2x2 + 5x3
subject to the constraints x1 + 4x2 ≤ 420
3x1 + 2x3 ≤ 460
x1 + 2x2 + x3 ≤ 430
x, X2, 75 = 0.
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