57+12n=7(n+11)

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Solution for 57+12n=7(n+11) equation: 



57+12n=7(n+11)

We move all terms to the left:

57+12n-(7(n+11))=0



We calculate terms in parentheses: -(7(n+11)), so:

7(n+11)

We multiply parentheses

7n+77

Back to the equation:

-(7n+77)



We get rid of parentheses

12n-7n-77+57=0

We add all the numbers together, and all the variables

5n-20=0

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

5n=20

n=20/5

n=4

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