-2n-5(n+5)=-81

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Solution for -2n-5(n+5)=-81 equation: 



-2n-5(n+5)=-81

We move all terms to the left:

-2n-5(n+5)-(-81)=0

We add all the numbers together, and all the variables

-2n-5(n+5)+81=0

We multiply parentheses

-2n-5n-25+81=0

We add all the numbers together, and all the variables

-7n+56=0

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

-7n=-56

n=-56/-7

n=+8

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