3n+4=3.9

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Solution for 3n+4=3.9 equation: 



3n+4=3.9

We move all terms to the left:

3n+4-(3.9)=0

We add all the numbers together, and all the variables

3n+0.1=0

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

3n=-0.1

n=-0.1/3

n=-0.1/3

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