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3x +2y =0
3x + 2(4x-11) = 0
3x +8x -22 = 0
11x = 22
x = 22 : 11
x = 2
y = 4x-11
y = 4(2) - 11
y = 8 -11
y = - 3
jadi hp = {2,-3}
4x-y=11 Ix3I 12x-3y=33
3x+2y =0 Ix4I 12x+8y=0
-------------------- -
-11y= 33
y= 33/-11
y = -3
3x+2y=0
3x+ 2(-3)=0
3x-6=0
3x=6
x=6/3
x=2
jadi HP={(2,-3)}