12+2n=n-7(3n-8)

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Solution for 12+2n=n-7(3n-8) equation: 



12+2n=n-7(3n-8)

We move all terms to the left:

12+2n-(n-7(3n-8))=0



We calculate terms in parentheses: -(n-7(3n-8)), so:

n-7(3n-8)

We multiply parentheses

n-21n+56

We add all the numbers together, and all the variables

-20n+56

Back to the equation:

-(-20n+56)



We get rid of parentheses

2n+20n-56+12=0

We add all the numbers together, and all the variables

22n-44=0

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

22n=44

n=44/22

n=2

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