-20=4n-8n

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Solution for -20=4n-8n equation: 



-20=4n-8n

We move all terms to the left:

-20-(4n-8n)=0

We add all the numbers together, and all the variables

-(-4n)-20=0

We get rid of parentheses

4n-20=0

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

4n=20

n=20/4

n=5

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