\[\frac{3x - 28}{x^{2} - 16} + \frac{2}{x - 4} =\]
\[= \frac{3x - 28 + 2x + 8}{(x - 4)(x + 4)} =\]
\[= \frac{5}{x + 4} = \frac{5}{1996 + 4} =\]
\[= \frac{5}{2000} = \frac{1}{400} = 0,0025\]