solution for this equations are 4x1 - 3x2 + x3 - x4 + 2x5 -x6=8 x1 3x2 + x3 - 2x4 + x5 - 2x6 = 9 -2x1 + 3x2 - x3 + x4 - x5 + 2x6 = -7 2x1 + x2 - 3x3 + x4 - 2x5 + 5x6 = 2 %3D х1 - 2х2 + х3- 3x4 + x5-4x6 %3D 4 5x1 -4x2 - x3 - x4 + 4x5 + 5x6 = 9 Select one: a. x1=1,x2=-2,x3=6,x4=3,x5=-4,x6=3 b. x1=1,x2=-2,x3=6,x4=-3,x5=-4,x6=3 c. x1=1,x2=-2,x3=6,x4=-3,x5=4,x6=3 d. x1=-1,x2=-2,x3=6,x4=-3,x5=-4,x6=3

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