3+n=-15+4n

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



3+n=-15+4n

We move all terms to the left:

3+n-(-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+18=0

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

-3n=-18

n=-18/-3

n=+6

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