3.9n-1.9-9.9=12,38

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Solution for 3.9n-1.9-9.9=12,38 equation: 



3.9n-1.9-9.9=12.38

We move all terms to the left:

3.9n-1.9-9.9-(12.38)=0

We add all the numbers together, and all the variables

3.9n-24.18=0

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

3.9n=24.18

n=24.18/3.9

n=6+0.78/3.9

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