-1-2n=n-7

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Solution for -1-2n=n-7 equation: 



-1-2n=n-7

We move all terms to the left:

-1-2n-(n-7)=0

We get rid of parentheses

-2n-n+7-1=0

We add all the numbers together, and all the variables

-3n+6=0

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

-3n=-6

n=-6/-3

n=+2

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