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8n+4=4(2n+1)

We move all terms to the left:

8n+4-(4(2n+1))=0

We calculate terms in parentheses: -(4(2n+1)), so:We get rid of parentheses

4(2n+1)

We multiply parentheses

8n+4

Back to the equation:

-(8n+4)

8n-8n-4+4=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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