x= 7/12
-y= -12/16
y=12/16
х - 5/12 = 2/12 15/16 - у = 3/16
х = 5/12 + 2/12 у = 15/16 - 3/16
х = 7/12 у = 12/16
x= 7/12
-y= -12/16
y=12/16
х - 5/12 = 2/12 15/16 - у = 3/16
х = 5/12 + 2/12 у = 15/16 - 3/16
х = 7/12 у = 12/16