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[Phys-l] Trying to resolve algebraic equation



Hello:

I am dealing with a chemical temperature reaction calculus, in certain note I have found the aseveration that an equation of the following form have 3 solutions:



A * e^(-r/t)
_________________ = ( B * x - C)

1 + A * e^(-r/t)


where ^ denotes exponentiation , and e is the Euler number 2.71......


I can´t found the deduction of it. I tried with Matlab symbolic algebra toolbox, but it stated 'Unable to find closed form solution.' Do you know where can I find the solution ? Or do you know a software package capable of resolve it ?.

My best regards.
Roberto



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