I was wondering if anyone could verify my answer to the following:

Determine if the given values are a solution of this system:

(4,0, -3)

4x-y+2z= 10

-8x+2y+z= -35

-x-2y+6z= -22

I got x=4, y=0 and z=-3

So yes, the given values are a solution of this system.

Is this correct?