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x/(x+43)=0.72
We move all terms to the left:
x/(x+43)-(0.72)=0
Domain of the equation: (x+43)!=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!=-43
x∈R
x/(x+43)-0.72=0
We multiply all the terms by the denominator
x-(0.72)*(x+43)=0
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