3(n+1)=5n-15

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Solution for 3(n+1)=5n-15 equation: 



3(n+1)=5n-15

We move all terms to the left:

3(n+1)-(5n-15)=0

We multiply parentheses

3n-(5n-15)+3=0

We get rid of parentheses

3n-5n+15+3=0

We add all the numbers together, and all the variables

-2n+18=0

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

-2n=-18

n=-18/-2

n=+9

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