2(n-1)=-2(-2n-6)

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Solution for 2(n-1)=-2(-2n-6) equation: 



2(n-1)=-2(-2n-6)

We move all terms to the left:

2(n-1)-(-2(-2n-6))=0

We multiply parentheses

2n-(-2(-2n-6))-2=0



We calculate terms in parentheses: -(-2(-2n-6)), so:

-2(-2n-6)

We multiply parentheses

4n+12

Back to the equation:

-(4n+12)



We get rid of parentheses

2n-4n-12-2=0

We add all the numbers together, and all the variables

-2n-14=0

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

-2n=14

n=14/-2

n=-7

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