Respuesta :

Answer:

b=4/3

Step-by-step explanation:

Distribute first

6b - 15 = 4 - 3b - 7

6b - 15 = -3b -3, add 3b to both sides

9b - 15 = -3, add 15 to both sides

9b = 12, divide both sides by 9

b = 12/9 = 4/3