"Solve(" überfordert?

[Ivaylo]

solve(8*x*z-((3)/(4))=0,x)
{x=((((3)/(32)))/(z))}

solve(8*y+z-1=0,z)
{z=-8*y+1}

solve(4î(((((3)/(32)))/(-8*y+1)))^(2)+4*y^(2)-9=0,y)
{y=1.499975787}

z=-10.9998063

x=-8.522877353e-3

~0 ~0 ~0