-4-2n=80

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Solution for -4-2n=80 equation: 



-4-2n=80

We move all terms to the left:

-4-2n-(80)=0

We add all the numbers together, and all the variables

-2n-84=0

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

-2n=84

n=84/-2

n=-42

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