-9(-2n-4)=9n

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



-9(-2n-4)=9n

We move all terms to the left:

-9(-2n-4)-(9n)=0

We add all the numbers together, and all the variables

-9n-9(-2n-4)=0

We multiply parentheses

-9n+18n+36=0

We add all the numbers together, and all the variables

9n+36=0

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

9n=-36

n=-36/9

n=-4

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