x+3y=14 4x=-y=4 ?. apakah jawabanya

x+3y=14 4x=-y+4 --> 4x+y=4
eleminasi
x+3y=14 (x1) --> x+3y=14
4x+y=4 (x3) --> 12x+3y=12 _
                           -11x=2 --> x=-2/11
substitusi
x+3y=14
-2/11+3y=14
3y=14+2/11
3y= 154/11+2/11
3y=156/11
y=156/11 x 1/3
y= 52/11
HP = {(-2/11,52/11)}