3n=-7.2

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Solution for 3n=-7.2 equation: 



3n=-7.2

We move all terms to the left:

3n-(-7.2)=0

We add all the numbers together, and all the variables

3n+7.2=0

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

3n=-7.2

n=-7.2/3

n=-2+1/2.5

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