3(n+11)-5n=(n-12)+9

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Solution for 3(n+11)-5n=(n-12)+9 equation: 



3(n+11)-5n=(n-12)+9

We move all terms to the left:

3(n+11)-5n-((n-12)+9)=0

We add all the numbers together, and all the variables

-5n+3(n+11)-((n-12)+9)=0

We multiply parentheses

-5n+3n-((n-12)+9)+33=0



We calculate terms in parentheses: -((n-12)+9), so:

(n-12)+9

We get rid of parentheses

n-12+9

We add all the numbers together, and all the variables

n-3

Back to the equation:

-(n-3)



We add all the numbers together, and all the variables

-2n-(n-3)+33=0

We get rid of parentheses

-2n-n+3+33=0

We add all the numbers together, and all the variables

-3n+36=0

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

-3n=-36

n=-36/-3

n=+12

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