I worked it out with find_root
2009/6/11 Julien Martin <balteo at gmail.com>
> Hello,
> I wish to solve a simple equation. I tried solve and desolve to no avail.
> Can anyone please help?
> Here is the equation:
>
> 275.0*%e^(-r)+275.0*%e^(-2*r)+275.0*%e^(-3*r)+275.0*%e^(-4*r)+5275.0*%e^(-5*r)=4750.0
> I am trying to determine the value of r.
> Julien.
>