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2.5=1/x.x
We move all terms to the left:
2.5-(1/x.x)=0
Domain of the equation: x.x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+1/x.x)+2.5=0
We get rid of parentheses
-1/x.x+2.5=0
We multiply all the terms by the denominator
(2.5)*x.x-1=0
We multiply parentheses
2.5x-1=0
We move all terms containing x to the left, all other terms to the right
2.5x=1
x=1/2.5
x=1/2.5
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