1/x-2=2+1/2-x     

问题描述:

1/x-2=2+1/2-x     

1=2x-4-1
-2x=-6 x=3

由题意:1/(x-2)=2-1/(x-2)
即 1/(x-2) +1/(x-2)=2
2/(x-2)=2
即x-2=1
x=3