1/3(3n+9)=5n-12-n

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Solution for 1/3(3n+9)=5n-12-n equation: 



1/3(3n+9)=5n-12-n

We move all terms to the left:

1/3(3n+9)-(5n-12-n)=0



Domain of the equation: 3(3n+9)!=0

n∈R



We add all the numbers together, and all the variables

1/3(3n+9)-(4n-12)=0

We get rid of parentheses

1/3(3n+9)-4n+12=0

We multiply all the terms by the denominator


-4n*3(3n+9)+12*3(3n+9)+1=0

Wy multiply elements

-12n^2(3+36n(3+1=0

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