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(x/x+4)+(4/x+4)=0
Domain of the equation: x+4)!=0We get rid of parentheses
x∈R
x/x+4/x+4+4=0
Fractions to decimals
4/x+4+4+1=0
We multiply all the terms by the denominator
4*x+4*x+1*x+4=0
We add all the numbers together, and all the variables
9x+4=0
We move all terms containing x to the left, all other terms to the right
9x=-4
x=-4/9
x=-4/9
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