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7.5/x=3
We move all terms to the left:
7.5/x-(3)=0
Domain of the equation: x!=0We multiply all the terms by the denominator
x∈R
-3*x+7.5=0
We add all the numbers together, and all the variables
-3x+7.5=0
We move all terms containing x to the left, all other terms to the right
-3x=-7.5
x=-7.5/-3
x=2+1/2
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