81/s=9

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Solution for 81/s=9 equation: 



81/s=9

We move all terms to the left:

81/s-(9)=0



Domain of the equation: s!=0

s∈R



We multiply all the terms by the denominator


-9*s+81=0

We add all the numbers together, and all the variables

-9s+81=0

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

-9s=-81

s=-81/-9

s=+9

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