n-12=2(-n)

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Solution for n-12=2(-n) equation: 



n-12=2(-n)

We move all terms to the left:

n-12-(2(-n))=0

We add all the numbers together, and all the variables

n-(2(-1n))-12=0



We calculate terms in parentheses: -(2(-1n)), so:

2(-1n)

We multiply parentheses

-2n

Back to the equation:

-(-2n)



We get rid of parentheses

n+2n-12=0

We add all the numbers together, and all the variables

3n-12=0

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

3n=12

n=12/3

n=4

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