127=3(5+7n)-5n

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Solution for 127=3(5+7n)-5n equation: 



127=3(5+7n)-5n

We move all terms to the left:

127-(3(5+7n)-5n)=0

We add all the numbers together, and all the variables

-(3(7n+5)-5n)+127=0



We calculate terms in parentheses: -(3(7n+5)-5n), so:

3(7n+5)-5n

We add all the numbers together, and all the variables

-5n+3(7n+5)

We multiply parentheses

-5n+21n+15

We add all the numbers together, and all the variables

16n+15

Back to the equation:

-(16n+15)



We get rid of parentheses

-16n-15+127=0

We add all the numbers together, and all the variables

-16n+112=0

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

-16n=-112

n=-112/-16

n=+7

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