(х+8 17/36)+7 31/36=25 1/36 12 13/45-(y-5 17/45)=3 23/45

(x + 8 17/36) +7 31/36 = 25 1/36(x + 8 17/36) = 25 1/36 - 7 31/36                 (x + 8 17/36) = 24 37/36 - 7 31/36(x + 8 17/36) = 17 6/36x = 17 6/36 - 8 17/36x = 16 42/36 - 8 17/36x = 8  25/36-------------------------------------------------(8 25/36 + 8 17/6) + 7 31/36 = 25 1/36    12 13/45 - ( y - 5 17/45) = 3 23/45(y-5 17/45) = 12 13/45 - 3 23/45(y-5 17/45) = 11 58/45 - 3 23/45(y-5 17/45) = 8 35/45y = 8 35/45 + 5 17/45y = 13 52/45---------------------------------------------12 13/45 - ( 13 52/45 - 5 17/45) = 3 23/45