7/8=21/n-9

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Solution for 7/8=21/n-9 equation: 



7/8=21/n-9

We move all terms to the left:

7/8-(21/n-9)=0



Domain of the equation: n-9)!=0

n∈R



We get rid of parentheses

-21/n+9+7/8=0

We calculate fractions

There is no solution for this equation

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