Respuesta :

4b + 6 = 2 - b + 4
4 b + b = 2 + 4 - 6
5b = 0
b = 0

I hope this helps!
Answer:

4b+6=2-b+4
4b+6=6-b
4b=-b
4b+b=0
5b=0
5b/5=0/5
b=0