Solve for x, y, z
x=-\left(y+z\right)\text{, }y=\frac{-2z+\sqrt{65-4z}+1}{2}\text{, }z\leq \frac{65}{4}
x=-\left(y+z\right)\text{, }y=\frac{-2z-\sqrt{65-4z}+1}{2}\text{, }z\in \begin{bmatrix}16,\frac{65}{4}\end{bmatrix}\text{; }x=0\text{, }y=-16\text{, }z=16\text{; }x=\sqrt{y+16}\text{, }y\geq -16\text{, }z=-y-\sqrt{y+16}
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