13=1/5n+7

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Solution for 13=1/5n+7 equation: 



13=1/5n+7

We move all terms to the left:

13-(1/5n+7)=0



Domain of the equation: 5n+7)!=0

n∈R



We get rid of parentheses

-1/5n-7+13=0

We multiply all the terms by the denominator


-7*5n+13*5n-1=0

Wy multiply elements

-35n+65n-1=0

We add all the numbers together, and all the variables

30n-1=0

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

30n=1

n=1/30

n=1/30

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