Respuesta :

3b - 6 = 2b + 9 
3b-2b=9+6
b=15
First distribute the 3

3b-6 = 2b+9

Then add 6 to each side of the equation

3b = 2b+15

Next subtract 2b from each side of the equation

b = 15

Your answer is b = 15

I hope this helps!