9-9n+5n=31-86

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Solution for 9-9n+5n=31-86 equation: 



9-9n+5n=31-86

We move all terms to the left:

9-9n+5n-(31-86)=0

We add all the numbers together, and all the variables

-9n+5n+9-(-55)=0

We add all the numbers together, and all the variables

-4n+64=0

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

-4n=-64

n=-64/-4

n=+16

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