Nice Olympiad | Nice Rational Equation | 95% Failed to Solve !!!!

[@adgf1x]

x=2,029

[@raghvendrasingh1289]

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similar problem
solve
(p+q-x)/r+(q+r-x)/p+(r+p-x)/q+4 x/(p+q+r) = 1
answer x = p+q+r