Given data:
The given expression is,
[tex]5^{3b-1}=5^{b-3}[/tex]
The given expressioncan be written as,
[tex]\begin{gathered} 5^{3b-1}=5^{b-3} \\ 3b-1=b-3 \\ 3b-b=-3+1 \\ 2b=-2 \\ b=-1 \end{gathered}[/tex]
Thus, the value of b is -1, so second option is correct.
