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1/100-x+1/x=1/21
We move all terms to the left:
1/100-x+1/x-(1/21)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
-x+1/x+1/100-(+1/21)=0
We add all the numbers together, and all the variables
-1x+1/x+1/100-(+1/21)=0
We get rid of parentheses
-1x+1/x+1/100-1/21=0
We calculate fractions
There is no solution for this equation
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