n-0.3n=3

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Solution for n-0.3n=3 equation: 



n-0.3n=3

We move all terms to the left:

n-0.3n-(3)=0

We add all the numbers together, and all the variables

0.7n-3=0

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

0.7n=3

n=3/0.7

n=4+0.2/0.7

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