Question

(25)^2n-1 = (125)^6 tell me how to solve it

Answer 1

Answer:

$25^2^n^-^1 = 125^6$

$[5^2]^2^n^-^1= [5^3]^6$

$[5]^4^n^-^2=5^1^8$                                                   {  $[x^{m} ]^n=x^m^n$}

As bases are equal equate powers

4n-2=18

4n =20

n=5