Respuesta :

From the problem, we have :

[tex]2x+9+3x+x=_{}\boxed{}x+\boxed{}[/tex]

To make the equation have no solution, the left side must be equal to the right side.

Simplify the left side :

[tex]6x+9=\boxed{6}x+\boxed{9}[/tex]

Therefore, the answers are :

6 and 9