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4/x=0.2
We move all terms to the left:
4/x-(0.2)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
4/x-0.2=0
We multiply all the terms by the denominator
-(0.2)*x+4=0
We multiply parentheses
-0.2x+4=0
We move all terms containing x to the left, all other terms to the right
-0.2x=-4
x=-4/-0.2
x=+20
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