Im having problem with this question, please help

"If the relationship of function f (1/x) + f(1-x) = x, and provided that x≠0,

Determine the function f(x)"

Thanks for reading my question, please if you know anything to solve this problem, give some hints or ans,

because my teacher in school haven't made time for me to explain this

so anyway thanks for anyone who wants to help me with this question