30=3/7u

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Solution for 30=3/7u equation: 



30=3/7u

We move all terms to the left:

30-(3/7u)=0



Domain of the equation: 7u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+3/7u)+30=0

We get rid of parentheses

-3/7u+30=0

We multiply all the terms by the denominator


30*7u-3=0

Wy multiply elements

210u-3=0

We move all terms containing u to the left, all other terms to the right

210u=3

u=3/210

u=1/70

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