4(3n+3)+3n=57

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Solution for 4(3n+3)+3n=57 equation: 



4(3n+3)+3n=57

We move all terms to the left:

4(3n+3)+3n-(57)=0

We add all the numbers together, and all the variables

3n+4(3n+3)-57=0

We multiply parentheses

3n+12n+12-57=0

We add all the numbers together, and all the variables

15n-45=0

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

15n=45

n=45/15

n=3

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