12n-3n=4/9

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Solution for 12n-3n=4/9 equation: 



12n-3n=4/9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

9n-(+4/9)=0

We get rid of parentheses

9n-4/9=0

We multiply all the terms by the denominator


9n*9-4=0

Wy multiply elements

81n-4=0

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

81n=4

n=4/81

n=4/81

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