-20=4(n-4)

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



-20=4(n-4)

We move all terms to the left:

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



We calculate terms in parentheses: -(4(n-4)), so:

4(n-4)

We multiply parentheses

4n-16

Back to the equation:

-(4n-16)



We get rid of 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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