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1/x+1/x+3=0
Domain of the equation: x!=0We multiply all the terms by the denominator
x∈R
3*x+1+1=0
We add all the numbers together, and all the variables
3x+2=0
We move all terms containing x to the left, all other terms to the right
3x=-2
x=-2/3
x=-2/3
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