Odpowiedź :
x-y=2
½x-1=-¼y
(2+y)/2+¼y=1
(4+2y+y)/4=1 /*4
4+3y=4
3y=0
y=0
x-0=2
x=2
odp x=2, y=0
½x-1=-¼y
(2+y)/2+¼y=1
(4+2y+y)/4=1 /*4
4+3y=4
3y=0
y=0
x-0=2
x=2
odp x=2, y=0
x-y=2
½x-1=-¼y
x - y = 2
½x + ¼y = 1 /*4
x - y = 2
2x + y = 4
3x = 6
x = 2
y = x - 2
y = 0
x = 2
y = 0
½x-1=-¼y
x - y = 2
½x + ¼y = 1 /*4
x - y = 2
2x + y = 4
3x = 6
x = 2
y = x - 2
y = 0
x = 2
y = 0