12-1/3n=15

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Solution for 12-1/3n=15 equation: 



12-1/3n=15

We move all terms to the left:

12-1/3n-(15)=0



Domain of the equation: 3n!=0

n!=0/3

n!=0

n∈R



We add all the numbers together, and all the variables

-1/3n-3=0

We multiply all the terms by the denominator


-3*3n-1=0

Wy multiply elements

-9n-1=0

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

-9n=1

n=1/-9

n=-1/9

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