-4=-n-1

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Solution for -4=-n-1 equation: 



-4=-n-1

We move all terms to the left:

-4-(-n-1)=0

We add all the numbers together, and all the variables

-(-1n-1)-4=0

We get rid of parentheses

1n+1-4=0

We add all the numbers together, and all the variables

n-3=0

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

n=3

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