4/7*n=30

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Solution for 4/7*n=30 equation: 



4/7n=30

We move all terms to the left:

4/7n-(30)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R



We multiply all the terms by the denominator


-30*7n+4=0

Wy multiply elements

-210n+4=0

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

-210n=-4

n=-4/-210

n=2/105

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