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

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Solution for 9(n-2)=-(7-8n) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

9n-(-(-8n+7))-18=0



We calculate terms in parentheses: -(-(-8n+7)), so:

-(-8n+7)

We get rid of parentheses

8n-7

Back to the equation:

-(8n-7)



We get rid of parentheses

9n-8n+7-18=0

We add all the numbers together, and all the variables

n-11=0

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

n=11

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