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1=(0.4-x)/x
We move all terms to the left:
1-((0.4-x)/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-((-1x+0.4)/x)+1=0
We multiply all the terms by the denominator
-((-1x+0.4)+1*x)=0
We calculate terms in parentheses: -((-1x+0.4)+1*x), so:We add all the numbers together, and all the variables
(-1x+0.4)+1*x
We add all the numbers together, and all the variables
x+(-1x+0.4)
We get rid of parentheses
x-1x+0.4
We add all the numbers together, and all the variables
0.4
Back to the equation:
-(0.4)
-0.4!=0
There is no solution for this equation
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