Respuesta :

Answer:

−4x+y+6z

Step-by-step explanation:

Let's simplify step-by-step.

2x+5y−z−6x−4y+7z

=2x+5y+−z+−6x+−4y+7z

Combine Like Terms:

=2x+5y+−z+−6x+−4y+7z

=(2x+−6x)+(5y+−4y)+(−z+7z)

=−4x+y+6z

Answer:

−4x+y+6z

Step-by-step explanation: