Mathematics, 19.09.2021 14:00 Marcus2935

Find all functions f: R→R such that for any x, y belongs to R, f(x)+f(x+f(y))=y+f(f(x)+f(f(y)))

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Find all functions f: R→R such that for any x, y belongs to R, f(x)+f(x+f(y))=y+f(f(x)+f(f(y)))...