-20=-8n+3n

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Solution for -20=-8n+3n equation: 



-20=-8n+3n

We move all terms to the left:

-20-(-8n+3n)=0

We add all the numbers together, and all the variables

-(-5n)-20=0

We get rid of parentheses

5n-20=0

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

5n=20

n=20/5

n=4

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