Explain how to find the general solution to the given ODE, and the particular solution to the given IVP.

\[ -3 \, {y'} - 9 \, {y} = 0 ,\hspace{1em} y\big( \log\left(2\right) \big)= -\frac{3}{8} \]

Then show how to verify that your particular solution is correct.