69-(y-28)=13
(y-28)=69-13
(y-28)=56
y=56+28
y=84
321+(x+13)=450
(х+13)=450-321
(х+13)=129
х=129-13
х=116
204-(x+29)=100
(х+29)=204-100
(х+29)=104
х=104-29
х=75
69-(y-28)=13
(y-28)=69-13
(y-28)=56
y=56+28
y=84
321+(x+13)=450
(х+13)=450-321
(х+13)=129
х=129-13
х=116
204-(x+29)=100
(х+29)=204-100
(х+29)=104
х=104-29
х=75