Respuesta :

Answer:

3x-3

Step-by-step explanation:

x−y+2x+y−3

=x+−y+2x+y+−3

Combine Like Terms:

=x+−y+2x+y+−3

=(x+2x)+(−y+y)+(−3)

=3x+−3

3x-3 is the correct equation