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861/x=123
We move all terms to the left:
861/x-(123)=0
Domain of the equation: x!=0We multiply all the terms by the denominator
x∈R
-123*x+861=0
We add all the numbers together, and all the variables
-123x+861=0
We move all terms containing x to the left, all other terms to the right
-123x=-861
x=-861/-123
x=+7
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