Question

What is x ? 3^x+2 = 1/9

Answer 1

oops
it is
\[3^{x+2}=\frac{1}{9}\] and since
\[3^{-2}=\frac{1}{9}\] you get
\[x+2=-2\] so
\[x=-4\]

Answer 2

ohhhh ok ok I see