9w-18=81

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Solution for 9w-18=81 equation: 



9w-18=81

We move all terms to the left:

9w-18-(81)=0

We add all the numbers together, and all the variables

9w-99=0

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

9w=99

w=99/9

w=11

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