AlgebraDifficulty 3.0AMC 10/12Find the answerUnited Kingdom
A function f satisfies the equation (n−2019)f(n)−f(2019−n)=2019 for every integer n. What is the value of f(2019)?
(A) 0 (B) 1 (C) 2018×2019 (D) 20192 (E) 2019×2020
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