Respuesta :

Answer:

[tex]y=-13[/tex]

Step-by-step explanation:

We have:

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

And we want to solve for y when x is -9.

So, substitute -9 for x and evaluate:

[tex]y=(-9)-4=-13[/tex]

Hence, when x is -9, y is -13.