Respuesta :

Answer:

4x - 3y

Step-by-step explanation:

5(4x - 3y) - 4(4x - 3y)

= 5 × 4x - 5 × 3y - 4 × 4x + 4 × 3y

= 20x - 15y - 16x + 12y

= 20x - 16x - 15y + 12y

= 4x - 3y (Ans)