7(3+2n)=2n-15

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Solution for 7(3+2n)=2n-15 equation: 



7(3+2n)=2n-15

We move all terms to the left:

7(3+2n)-(2n-15)=0

We add all the numbers together, and all the variables

7(2n+3)-(2n-15)=0

We multiply parentheses

14n-(2n-15)+21=0

We get rid of parentheses

14n-2n+15+21=0

We add all the numbers together, and all the variables

12n+36=0

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

12n=-36

n=-36/12

n=-3

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