-2(n-1)=8

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Solution for -2(n-1)=8 equation: 



-2(n-1)=8

We move all terms to the left:

-2(n-1)-(8)=0

We multiply parentheses

-2n+2-8=0

We add all the numbers together, and all the variables

-2n-6=0

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

-2n=6

n=6/-2

n=-3

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