X=(3*n+7)/(n+1)

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Solution for X=(3*n+7)/(n+1) equation: 



X=(3X+7)/(X+1)

We move all terms to the left:

X-((3X+7)/(X+1))=0



Domain of the equation: (X+1))!=0

X∈R



We multiply all the terms by the denominator


X*(X+1))-((3X+7)=0

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