Question: How do I solve the following system in Maple?

Hi everybody. Firstly, i apologize for my poor level of english. I am a new maple user and i want to solve the following system, but I face some difficulties. I go through forum, FAQ, courses notes on the net and so on but I don't find the solution. 

I first define the folowing equations:

 

 

Then, i ask to Maple:

which answer me the following:

Warning, solutions may have been lost
 
Thanks for you help!
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