3n-9=2(6+5n)

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Solution for 3n-9=2(6+5n) equation: 



3n-9=2(6+5n)

We move all terms to the left:

3n-9-(2(6+5n))=0

We add all the numbers together, and all the variables

3n-(2(5n+6))-9=0



We calculate terms in parentheses: -(2(5n+6)), so:

2(5n+6)

We multiply parentheses

10n+12

Back to the equation:

-(10n+12)



We get rid of parentheses

3n-10n-12-9=0

We add all the numbers together, and all the variables

-7n-21=0

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

-7n=21

n=21/-7

n=-3

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