12+6.4n=9+6.7n

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Solution for 12+6.4n=9+6.7n equation: 



12+6.4n=9+6.7n

We move all terms to the left:

12+6.4n-(9+6.7n)=0

We add all the numbers together, and all the variables

6.4n-(6.7n+9)+12=0

We get rid of parentheses

6.4n-6.7n-9+12=0

We add all the numbers together, and all the variables

-0.3n+3=0

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

-0.3n=-3

n=-3/-0.3

n=+10

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