(X-9)/21=8/(x+13)

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Solution for (X-9)/21=8/(x+13) equation: 



(X-9)/21=8/(X+13)

We move all terms to the left:

(X-9)/21-(8/(X+13))=0



Domain of the equation: (X+13))!=0

X∈R



We calculate fractions


((X-9)*(X+13)))/21X+()/21X=0

We can not solve this equation

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