Relax

Respuesta :

Answer:

0

Step-by-step explanation:

9 - 2b + 6 = -3(b+5) + 4b

15 - 2b = -3b - 15 +4b

15 - 2b =  -15 + b

` move -15 over to the right and -2b to the left `

0 = -b