3(n+1)=15-n

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Solution for 3(n+1)=15-n equation: 



3(n+1)=15-n

We move all terms to the left:

3(n+1)-(15-n)=0

We add all the numbers together, and all the variables

3(n+1)-(-1n+15)=0

We multiply parentheses

3n-(-1n+15)+3=0

We get rid of parentheses

3n+1n-15+3=0

We add all the numbers together, and all the variables

4n-12=0

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

4n=12

n=12/4

n=3

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