Question 954010
log_(5x-1) 4 =1/3

 (y=b^x)= (x=log_b(y)) 

Which is (5x-1)^(1/3)=4

(5x-1)^(1/3)= (64)^(1/3)  (same as 4)

5x=65 (add 1 to both sides)

∴ x=13 (divide 5 to both sides)

Hope this helps!