-4+8n=20

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Solution for -4+8n=20 equation: 



-4+8n=20

We move all terms to the left:

-4+8n-(20)=0

We add all the numbers together, and all the variables

8n-24=0

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

8n=24

n=24/8

n=3

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