selesaikan sistem persamaan berikut(x,y) adalah variabelnya

...1= x+1/4 - y-2/2 x4=6x4
...1= x+1-2(y-2)=24
...1= x+1-2y+4=24
...1= x-2y= 19

...2= 2x-2/3 + 3y-1/6 x6= 7x6
...2= 2(2x-2)+3y-1= 42
...2= 4x-4+3y-1=42
...2= 4x+3y=47

...1x4= 4x-8y=76

1-2= -11y=29
     = y= -29/11 (-2,64)

subs ke 2
4x-87/11=47
4x=517/87
x= 517/348
x= 1,5