26 176 :(у* 56 - 45 856) = 409 .
У * 56 - 45856 = 26176 : 409 у * 56 - 45856 = 64 у * 56 = 64 + 45856 у * 56 = 45920 y = 45920 : 56 y = 820
26176:(56y-45856)=409 56y-45856= 26176:409 56y-45856=64 56y=45856+64 56y=45920 Y= 45920:56 Y= 820