7n+4n-8-3n=30

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Solution for 7n+4n-8-3n=30 equation: 



7n+4n-8-3n=30

We move all terms to the left:

7n+4n-8-3n-(30)=0

We add all the numbers together, and all the variables

8n-38=0

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

8n=38

n=38/8

n=4+3/4

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