Question

Помогите решить уравнение
5^(3x+2)=1/5

Answer 1

$5^{3x+2}=\frac{1}5\\\\5^{3x+2}=5^{-1}\\\\3x+2=-1\\\\3x=-3\\\\x=-1$

Answer 2

$5^{3x+2} = \frac{1}{5}$
$5^{3x+2} = 5^{-1}$  ⇒  3x+2=-1
3x=-1-2
3x=-3
x=-3/3
x=-1