Question: Is there a way to solve these equations x+y = 373320 and z = (x+y) / 0.44 - y - y* (1 - 0.99) for x,y,z in Maple or excel?

Is there a way to solve these equations x+y = 373320 and z = (x+y) / 0.44 - y -  y* (1 - 0.99) for x,y,z in Maple or excel?

Even if we set y = 37320 - x 

and plug that in we get z= 37320/0.44 - (37320-x) - (37320 - x) * (1-0.99) there are still two unknown z and x

Maybe some optimization?  Thanx for any input

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