2x-y+z=6 x-3y+z=-2 x+2y-z=3 tiga variabel

eleminasi z
pers1&2
2x-y+z=6 - x-3y+z=-2
=x+2y=8....pers4
pers2&3
x-3y+z=-2 + x+2y-z=3
=2x-y=1....pers5

eleminasi pers 4&5
x+2y=8|x2| - 2x-y=1|x1|
2x+4y=16 - 2x-y=1
=5y=15
= y=3

subs.y=3 ke pers.5
2x-y=1
2x-3=1
2x=1+3
x=2

subs x=2,y=3 ke pers.1
2x-y+z=6
4-3+z=6
z=6-1
z=5

Hp={2,3,5}