Respuesta :

Answer: 4b+9

Step-by-step explanation: add the B's together

Answer:

14b+8

Step-by-step explanation:

b+b-1+b+b+10b+9

b+b+8+b+b+10b

b+b+8+b+b+10b

14b+8

I hope this help because i don't really know how to solve your question but i did this how i kinda of know so i hope this help you