3=7+8n-4n

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Solution for 3=7+8n-4n equation: 



3=7+8n-4n

We move all terms to the left:

3-(7+8n-4n)=0

We add all the numbers together, and all the variables

-(4n+7)+3=0

We get rid of parentheses

-4n-7+3=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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