1-n-4=-7

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Solution for 1-n-4=-7 equation: 



1-n-4=-7

We move all terms to the left:

1-n-4-(-7)=0

We add all the numbers together, and all the variables

-1n+4=0

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

-n=-4

n=-4/-1

n=+4

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