-9n-45=-81

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Solution for -9n-45=-81 equation: 



-9n-45=-81

We move all terms to the left:

-9n-45-(-81)=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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