Combine and fully simplify: $\frac{2x}{x^2-9}+\frac{3}{x+3}$

$\frac{5}{x+3}$

$\frac{x-9}{(x-3)(x+3)}$

$\frac{5x-9}{(x-3)(x+3)}$

$\frac{5x+9}{(x-3)(x+3)}$