Respuesta :
Divide 4 by both sides
Then you get 4=3+b2
Then subtracts 3 from four
You get 1=b2
Then you get 4=3+b2
Then subtracts 3 from four
You get 1=b2

Answer:
b2 = 5
Step-by-step explanation:
16 = 1/2 x 4 (3 + b2)
16 = 2 (3 + b2)
16 = 6 + 2b2
16-6 = 2b2
10 = 2b2
10/2 = 2b2/2 (the 2s canceled out)
5 = b2