9(n+5)=3(15+3n)+3n

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Solution for 9(n+5)=3(15+3n)+3n equation: 



9(n+5)=3(15+3n)+3n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

9n-(3(3n+15)+3n)+45=0



We calculate terms in parentheses: -(3(3n+15)+3n), so:

3(3n+15)+3n

We add all the numbers together, and all the variables

3n+3(3n+15)

We multiply parentheses

3n+9n+45

We add all the numbers together, and all the variables

12n+45

Back to the equation:

-(12n+45)



We get rid of parentheses

9n-12n-45+45=0

We add all the numbers together, and all the variables

-3n=0

n=0/-3

n=0

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