9=-3/4n

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Solution for 9=-3/4n equation: 



9=-3/4n

We move all terms to the left:

9-(-3/4n)=0



Domain of the equation: 4n)!=0

n!=0/1

n!=0

n∈R



We get rid of parentheses

3/4n+9=0

We multiply all the terms by the denominator


9*4n+3=0

Wy multiply elements

36n+3=0

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

36n=-3

n=-3/36

n=-1/12

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