Respuesta :

Answer:

2x+4y+1

Step-by-step explanation:

x−y+2x−2+3y+3+2y−x

=x+−y+2x+−2+3y+3+2y+−x

=x+−y+2x+−2+3y+3+2y+−x

=(x+2x+−x)+(−y+3y+2y)+(−2+3)