n+3=15+4n

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Solution for n+3=15+4n equation: 



n+3=15+4n

We move all terms to the left:

n+3-(15+4n)=0

We add all the numbers together, and all the variables

n-(4n+15)+3=0

We get rid of parentheses

n-4n-15+3=0

We add all the numbers together, and all the variables

-3n-12=0

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

-3n=12

n=12/-3

n=-4

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