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4x-1/9x+1=2/5
We move all terms to the left:
4x-1/9x+1-(2/5)=0
Domain of the equation: 9x!=0We add all the numbers together, and all the variables
x!=0/9
x!=0
x∈R
4x-1/9x+1-(+2/5)=0
We get rid of parentheses
4x-1/9x+1-2/5=0
We calculate fractions
There is no solution for this equation
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