Question

resolver essa equaçao exponencial 9x=1/3

Answer 1

$9^x=\frac{1}{3}\\ (3^2)^x=3^{-1}\\ 3^{2x}=3^{-1}\\ 2x=-1\\ x=-\frac{1}{2}$

Answer 2

   x
9       = 1/3

  2 x        -1
3        = 3

2 x = - 1
x = -1/2