Solve the radical equation: $4+\sqrt{\frac{x}{9}}=5$  

Solve the radical equation: $\sqrt{2x-7}=\sqrt{x+2}$  

Solve the radical equation: $-6+\sqrt{\frac{x}{6}}=-3$  

Solve the radical equation: $\sqrt{x-3}+5=9$  

Solve the radical equation: $\sqrt{x+1}=\sqrt{4x-8}$  

Solve the radical equation: $\sqrt{6x+1}-8=3$