# Brain works 2

Algebra Level 2

$f\left(\frac1{999}\right) + f\left(\frac2{999}\right)+f\left(\frac3{999}\right)+ \cdots + f\left(\frac{998}{999}\right)$

If $$f(x) = 1 -f(1-x)$$ for all real $$x$$, evaluate the expression above.

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