2x + y -3z = 5 3x - 2y + 2z = 5 5x - 3y - z = 16

2x + y - 3z = 5 ....( 1)
3x - 2y + 2z = 5 ....( 2)
5x - 3y - z = 16 .....( 3)

pers (1) = z
pers (2) = y
pers (3) = x

2 - 1 + 3 = 4 , = 4/-2 = -2
3 - 2 + 2 = 3 , jadi min, = -3
5 - 3 - 1 = 1
jadi, x = 1 , y = -3 , z = -2

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