In Problems $1,2_{,}{3}_{,}{4}_{,}{5}_{,}{6}_{,}{7}_{,}{8}_{,}{9}_{,}{10}_{,}{11}_{,}{12}_{,}{13}_{,}{14}_{,}{15}_{,}{16}_{,}{17}_{,}{18}_{,}{19}_{,}{20}_{,}{21}_{,}{22}_{,}{23}_{?},$ and ${24}_{?}$ find the general solution of the given differential equation. Give the largest interval I over which the general solution is defined. Determine whether there are any transient terms in the general solution.

$\frac{dy}{dx}+2y=0$