-0.4n+3.6=12.8

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Solution for -0.4n+3.6=12.8 equation: 



-0.4n+3.6=12.8

We move all terms to the left:

-0.4n+3.6-(12.8)=0

We add all the numbers together, and all the variables

-0.4n-9.2=0

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

-0.4n=9.2

n=9.2/-0.4

n=-22+0.4/0.4

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