3(n+11)-5n=2(n-12)+9

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Solution for 3(n+11)-5n=2(n-12)+9 equation: 



3(n+11)-5n=2(n-12)+9

We move all terms to the left:

3(n+11)-5n-(2(n-12)+9)=0

We add all the numbers together, and all the variables

-5n+3(n+11)-(2(n-12)+9)=0

We multiply parentheses

-5n+3n-(2(n-12)+9)+33=0



We calculate terms in parentheses: -(2(n-12)+9), so:

2(n-12)+9

We multiply parentheses

2n-24+9

We add all the numbers together, and all the variables

2n-15

Back to the equation:

-(2n-15)



We add all the numbers together, and all the variables

-2n-(2n-15)+33=0

We get rid of parentheses

-2n-2n+15+33=0

We add all the numbers together, and all the variables

-4n+48=0

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

-4n=-48

n=-48/-4

n=+12

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