-9+2(n+3)=4n-7.

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Solution for -9+2(n+3)=4n-7. equation: 



-9+2(n+3)=4n-7.

We move all terms to the left:

-9+2(n+3)-(4n-7.)=0

We add all the numbers together, and all the variables

2(n+3)-(4n-7)-9=0

We multiply parentheses

2n-(4n-7)+6-9=0

We get rid of parentheses

2n-4n+7+6-9=0

We add all the numbers together, and all the variables

-2n+4=0

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

-2n=-4

n=-4/-2

n=+2

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