Respuesta :

Answer:

24+12a+2b

Step-by-step explanation:

24 + 6a + b + 3a + b + 3a

6a + 3a + 3a = 12a

b + b = 2b

Bring the 24 down

24 + 12a + 2b

Step-by-step explanation:

24 + 6a + b +3a + b + 3a

6a+3a+3a+b+b+24

12a+2b+24

2(6a+b+12)