-81=-85-9n

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Solution for -81=-85-9n equation: 



-81=-85-9n

We move all terms to the left:

-81-(-85-9n)=0

We add all the numbers together, and all the variables

-(-9n-85)-81=0

We get rid of parentheses

9n+85-81=0

We add all the numbers together, and all the variables

9n+4=0

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

9n=-4

n=-4/9

n=-4/9

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