Respuesta :

Combine like terms.

[tex]3x - 4x = - x[/tex]

[tex]5y - 0 = 5y[/tex]

[tex] - 4 - 5 = - 9[/tex]

So, the answer is

[tex] - x + 5y - 9[/tex]

Answer:

-x + 5y - 9

Step-by-step explanation: