zadania 349 podpunkt e
(x-2)2 + (y-2)2=4
(x-4)2 + (y-2)2=4
x2-4x+4+y2-4y+4=4
x2-8x+16+y2-4y+4=4
-12x+20=8
-12x=8-20
-12x= -16 \-4
3x=4
x=4/3
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(x-2)2 + (y-2)2=4
(x-4)2 + (y-2)2=4
x2-4x+4+y2-4y+4=4
x2-8x+16+y2-4y+4=4
-12x+20=8
-12x=8-20
-12x= -16 \-4
3x=4
x=4/3