Question

How do you solve `\frac { 1} { 5} = 5^ { x - 1}`?

Answer 1

`x = 0`

Explanation:

`1/a^m = a^-m`

`1/5 = 1/5^1`

`=5^-1`

substitute power for `x - 1`:

`x - 1 = -1`

add 1:

`x = 0`