7/4=21/u+8

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Solution for 7/4=21/u+8 equation: 



7/4=21/u+8

We move all terms to the left:

7/4-(21/u+8)=0



Domain of the equation: u+8)!=0

u∈R



We get rid of parentheses

-21/u-8+7/4=0

We calculate fractions

There is no solution for this equation

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