Respuesta :

Answer:

8a - 12b -37

Step-by-step explanation:

3(4a-2b-7) = 12a - 6b -21

-2(2a+3b-8) = -4a - 6b - 16

12a - 4a = 8a

-6b - 6b = -12b

-21 - 16 = -37