7=3n-4+8n

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



7=3n-4+8n

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(11n-4)+7=0

We get rid of parentheses

-11n+4+7=0

We add all the numbers together, and all the variables

-11n+11=0

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

-11n=-11

n=-11/-11

n=1

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