7-2n=8n-(4-n)

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Solution for 7-2n=8n-(4-n) equation: 



7-2n=8n-(4-n)

We move all terms to the left:

7-2n-(8n-(4-n))=0

We add all the numbers together, and all the variables

-2n-(8n-(-1n+4))+7=0



We calculate terms in parentheses: -(8n-(-1n+4)), so:

8n-(-1n+4)

We get rid of parentheses

8n+1n-4

We add all the numbers together, and all the variables

9n-4

Back to the equation:

-(9n-4)



We get rid of parentheses

-2n-9n+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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