Question

Solve x :5ka power x-4 equal is 1

Answer 1

$heya \\ \\ \\ 5 {}^{x - 4} = 5 {}^{0} \\ becoz \: \: \: 5 {}^{0} = 1 \\ \\ compare \: powers \: of \: x \: we \: get \\ \\ (x - 4) = 0 \\ \\ x = 4$