ответ x=1 ; y=-1/9
3/x + 9y = 2
1/x -3y = 4/3
3/x - 9y = 4
6/x = 6
x=1
1/1 - 3y = 4/3
-3y = 1/3
y=-1/9
ответ x=1 ; y=-1/9
3/x + 9y = 2
1/x -3y = 4/3
3/x + 9y = 2
3/x - 9y = 4
6/x = 6
x=1
1/1 - 3y = 4/3
-3y = 1/3
y=-1/9
x=1