3/7n+9=30

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Solution for 3/7n+9=30 equation: 



3/7n+9=30

We move all terms to the left:

3/7n+9-(30)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R



We add all the numbers together, and all the variables

3/7n-21=0

We multiply all the terms by the denominator


-21*7n+3=0

Wy multiply elements

-147n+3=0

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

-147n=-3

n=-3/-147

n=1/49

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