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81/x=125
We move all terms to the left:
81/x-(125)=0
Domain of the equation: x!=0We multiply all the terms by the denominator
x∈R
-125*x+81=0
We add all the numbers together, and all the variables
-125x+81=0
We move all terms containing x to the left, all other terms to the right
-125x=-81
x=-81/-125
x=81/125
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