Respuesta :

Answer:4

Step-by-step explanation:

16b+4b-10b-2b-5b=12

3b=12

B=4

Step-by-step explanation:

16b + 4b - 10b - 2b - 5b = 12

20b - 10b - 2b - 5b = 12

10b - 2b - 5b = 12

8b - 5b = 12

3b = 12

3b/3 = 12/3

b = 4