Rozwiąż układy równań.
2x-1/2y = 3
y-4x=-6
x=?
y=?
2x-1/2y =3 / * 2y-4x=-6
4x-y=6
-4x+y=-6
0=0
x=0
y=0
-----------
x,y = 0
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2x-1/2y =3 / * 2
y-4x=-6
4x-y=6
-4x+y=-6
0=0
x=0
y=0
4x-y=6
-4x+y=-6
-----------
x,y = 0