n+3n=18.75

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Solution for n+3n=18.75 equation: 



n+3n=18.75

We move all terms to the left:

n+3n-(18.75)=0

We add all the numbers together, and all the variables

4n-18.75=0

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

4n=18.75

n=18.75/4

n=4+1/1.45454545455

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