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1/x=0.21
We move all terms to the left:
1/x-(0.21)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
1/x-0.21=0
We multiply all the terms by the denominator
-(0.21)*x+1=0
We multiply parentheses
-0.21x+1=0
We move all terms containing x to the left, all other terms to the right
-0.21x=-1
x=-1/-0.21
x=4+0.16/0.21
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