-8(n+9)=-9n

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



-8(n+9)=-9n

We move all terms to the left:

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

We multiply parentheses

-8n-(-9n)-72=0

We get rid of parentheses

-8n+9n-72=0

We add all the numbers together, and all the variables

n-72=0

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

n=72

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