X1 X2 x3 X4 = Solve the system -27 -22 1 0 +s 14 12 1 O 4x1 -X1 3x1 2x1 -5x₂ +4x3 +4x4 = +x2 +2x3 +3x4 -4x2 +6x3 +7x4 -2x2 -4x3 -6x4 = -10 19 16 HE +t 0 1 = = 2579

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