układy równań , rozwiąż.
3(x+2)+2(y-2)=1
(x+2)-4(y-1)=1
3x+6+2y-4=1
x+2-4y+4=1
3x+2y=-1
x-4y=-5
6x+4y=-2
------------+
7x=-7
x=-1
{x=-1
{y=1
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3(x+2)+2(y-2)=1
(x+2)-4(y-1)=1
3x+6+2y-4=1
x+2-4y+4=1
3x+2y=-1
x-4y=-5
6x+4y=-2
x-4y=-5
------------+
7x=-7
x=-1
{x=-1
{y=1