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4/(4+7)=x/(11+x)
We move all terms to the left:
4/(4+7)-(x/(11+x))=0
Domain of the equation: (11+x))!=0We add all the numbers together, and all the variables
We move all terms containing x to the left, all other terms to the right
x)!=-11
x!=-11/1
x!=-11
x∈R
-(x/(x+11))+4/11=0
We calculate fractions
(-(x*11)/11x+4x/11x=0
We can not solve this equation
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