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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(8n-(-2n)), so:

8n-(-2n)

We get rid of parentheses

8n+2n

We add all the numbers together, and all the variables

10n

Back to the equation:

-(10n)



We add all the numbers together, and all the variables

-12n+7=0

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

-12n=-7

n=-7/-12

n=7/12

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