Question: how to use fsolve in maple?

i wanna solve a system of equations using ''fsolve'', I have found this example:

fsolve({2*x-x*y=0,-y+3*x*y=0},{x,y}, {x=0.1..5,y=0..4});

but i wanna understand how does this work,and what is the signification of term 

thank you for your help.

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