3(n-4)=3.9n+6

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Solution for 3(n-4)=3.9n+6 equation: 



3(n-4)=3.9n+6

We move all terms to the left:

3(n-4)-(3.9n+6)=0

We multiply parentheses

3n-(3.9n+6)-12=0

We get rid of parentheses

3n-3.9n-6-12=0

We add all the numbers together, and all the variables

-0.9n-18=0

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

-0.9n=18

n=18/-0.9

n=-20

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