3(x-1)=4(y-4)……………………(1)
5(y-1)=3(x+5)………………………(2)
(1)+(2),则有:3x-3+5y-5=4y-16+3x+15
即:5y-8=4y-1,解得:y=7
将y=7代入(1)中,有:3(x-1)=12,解得:x=5
故x=5,y=7.
3(x-1)=4(y-4)……………………(1)
5(y-1)=3(x+5)………………………(2)
(1)+(2),则有:3x-3+5y-5=4y-16+3x+15
即:5y-8=4y-1,解得:y=7
将y=7代入(1)中,有:3(x-1)=12,解得:x=5
故x=5,y=7.