-n-7=-4

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Solution for -n-7=-4 equation: 



-n-7=-4

We move all terms to the left:

-n-7-(-4)=0

We add all the numbers together, and all the variables

-1n-3=0

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

-n=3

n=3/-1

n=-3

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