9/2=r/(r+7)

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Solution for 9/2=r/(r+7) equation: 



9/2=r/(r+7)

We move all terms to the left:

9/2-(r/(r+7))=0



Domain of the equation: (r+7))!=0

r∈R



We calculate fractions


(-(r*2)/2r+9r/2r=0

We can not solve this equation

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