5-n(-9)=81

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Solution for 5-n(-9)=81 equation: 



5-n(-9)=81

We move all terms to the left:

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

We add all the numbers together, and all the variables

-n(-9)-76=0

We multiply parentheses

9n-76=0

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

9n=76

n=76/9

n=8+4/9

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