Himpunan penyelesaian dari 2x-y+z = 11 , y+z = -1 , 2x-y = 3 Hp{x,y,z}

2x - y + z = 11
2x - y = 3
--------------- -
z = 8

y + z = -1
y + 8 = -1
y = -9

2x - y = 3
2x + 9 = 3
2x = -6
x = -3

hp{-3, -9, -8}