//<![CDATA[ aax_getad_mpb({ "slot_uuid":"f485bc30-20f5-4c34-b261-5f2d6f6142cb" }); //]]> f(x)+2*f((x+2000)/(x-1))=4011-x ---> f(x)=?

f(x)+2*f((x+2000)/(x-1))=4011-x ---> f(x)=?

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# F(x)+2*f((x+2000)/(x-1))=4011-x -> f(x)=?

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