Respuesta :

Answer:

3a - 6b  - 7a + 13

Step-by-step explanation:

3a - 6b + 3 - 7a + 10

Combining only the constants

3a - 6b  - 7a + 13

The constants are +3 and +10, when you add them together you get +13

The equation becomes 3a - 6b - 7a + 13