7(n+9)=-7n+3(1+6n)

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Solution for 7(n+9)=-7n+3(1+6n) equation: 



7(n+9)=-7n+3(1+6n)

We move all terms to the left:

7(n+9)-(-7n+3(1+6n))=0

We add all the numbers together, and all the variables

7(n+9)-(-7n+3(6n+1))=0

We multiply parentheses

7n-(-7n+3(6n+1))+63=0



We calculate terms in parentheses: -(-7n+3(6n+1)), so:

-7n+3(6n+1)

We multiply parentheses

-7n+18n+3

We add all the numbers together, and all the variables

11n+3

Back to the equation:

-(11n+3)



We get rid of parentheses

7n-11n-3+63=0

We add all the numbers together, and all the variables

-4n+60=0

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

-4n=-60

n=-60/-4

n=+15

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