x/2-y/3=1/3得3x-2y=23（x-1)=y+1 得3x=y+43x-2y=23x=y+4由上面2式得2y+2=y+4解得y=2 x=2别忘了自己动手试试，很简单哦
x=23/9 y=11/3
