Maximize z = 7x1 + 4x2 + 4x3 o Subject to 8x1 + 2x2 + 9x3 < 42 2x1 + 2x2 + 4x3 < 36 5x1 + 2x2 + 2x3 72 X¡ 20 Add/Subtract a slack/surplus variable to the and constraint O 2x1 +2x2 + 4x3 - S2 s36 None of the answers. 11x1+5x2 + 12x3-S1 = 70 O 2x1 + 2x2 + 4x3 + S2 = 36 2x1 +2x2+ 4x3+ S2 s 36

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