Question

$5 ^{3x-1} =1$

Answer 1

$5^{3x-1}=1\ 5^{3x-1}=5^0\ 3x-1=0\ x=frac{1}{3}$

Answer 2

5 ^ ( 3X - 1 ) = 5 ^ 0 
3X - 1 = 0 
3X = 1 
X = 1/3