-4(n-4)=20

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Solution for -4(n-4)=20 equation: 



-4(n-4)=20

We move all terms to the left:

-4(n-4)-(20)=0

We multiply parentheses

-4n+16-20=0

We add all the numbers together, and all the variables

-4n-4=0

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

-4n=4

n=4/-4

n=-1

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