-7(n+9)+8n=-9(n-3)

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Solution for -7(n+9)+8n=-9(n-3) equation: 



-7(n+9)+8n=-9(n-3)

We move all terms to the left:

-7(n+9)+8n-(-9(n-3))=0

We add all the numbers together, and all the variables

8n-7(n+9)-(-9(n-3))=0

We multiply parentheses

8n-7n-(-9(n-3))-63=0



We calculate terms in parentheses: -(-9(n-3)), so:

-9(n-3)

We multiply parentheses

-9n+27

Back to the equation:

-(-9n+27)



We add all the numbers together, and all the variables

n-(-9n+27)-63=0

We get rid of parentheses

n+9n-27-63=0

We add all the numbers together, and all the variables

10n-90=0

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

10n=90

n=90/10

n=9

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