3/n+4=7

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Solution for 3/n+4=7 equation: 



3/n+4=7

We move all terms to the left:

3/n+4-(7)=0



Domain of the equation: n!=0

n∈R



We add all the numbers together, and all the variables

3/n-3=0

We multiply all the terms by the denominator


-3*n+3=0

We add all the numbers together, and all the variables

-3n+3=0

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

-3n=-3

n=-3/-3

n=1

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