Respuesta :

[tex] \frac{3}{8} * \frac{8}{b} = \frac{3}{1} * \frac{1}{b} [/tex]  (I crossed simplify)

Next cross multiply;

3b = 1

b = 1/3

To check if the statement is true just substitute the value of b in the equation;

3b = 1

3(1/3) = 1

1 = 1