MathGroup Archive 1998

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weird eqns

I have four equations ond would like mathematica to solve them using
NSolve. everytime i try this it returns with a transcendental function
error. I would  like to solve thiese equations without have to
manipulate them by hand. anybody with any ideas would be welcomed,
Please email me as my newserver is spotty at best.

eone = Log[10, c] == (-38530+ 36*t)/(1.987*2.303*t); etwo = Log[10, b] +
0.5*Log[10, o] - Log[10, c] == (-23000+2167*t)/(1.987*2.303*t);
ethree = b + c + o == 1;
efour = b/o == 0.5;

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