n-4+7n=-9(n-1)-9(-2n+2)

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Solution for n-4+7n=-9(n-1)-9(-2n+2) equation: 



n-4+7n=-9(n-1)-9(-2n+2)

We move all terms to the left:

n-4+7n-(-9(n-1)-9(-2n+2))=0

We add all the numbers together, and all the variables

8n-(-9(n-1)-9(-2n+2))-4=0



We calculate terms in parentheses: -(-9(n-1)-9(-2n+2)), so:

-9(n-1)-9(-2n+2)

We multiply parentheses

-9n+18n+9-18

We add all the numbers together, and all the variables

9n-9

Back to the equation:

-(9n-9)



We get rid of parentheses

8n-9n+9-4=0

We add all the numbers together, and all the variables

-1n+5=0

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

-n=-5

n=-5/-1

n=+5

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