Respuesta :

Answer:

b = - 7

Step-by-step explanation:

note that 8 = 2³, hence

( 2³)^(b - 1) = [tex]2^{4b+4}[/tex]

since the bases on both sides of the equation are 2, equate the exponents

4b + 4 = 3b - 3 ( subtract 3b from both sides )

b + 4 = - 3 ( subtract 4 from both sides )

b = - 7


neonbluefaith

I'm just here to confirm that -7 is the right answer.