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((42/5)/131)/9 = (x/62)/3 // - (x/62)/3
((42/5)/131)/9-((x/62)/3) = 0
(-1/186)*x+((42/5)/131)/9 = 0
14/1965-1/186*x = 0 // - 14/1965
-1/186*x = -14/1965 // : -1/186
x = -14/1965/(-1/186)
x = 868/655
x = 868/655
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