# How do you solve 9^(x-4)=81?

##### 1 Answer
Feb 12, 2015

9^(x−4) = 81 implies $x = 6$

The only value $p$ for which ${9}^{p} = 81$ is $p = 2$
so
$x - 4 = 2$ $\rightarrow$ $x = 6$