Answer
$\frac{3}{x-4}$
Work Step by Step
$\frac{2}{4-x} + \frac{5}{x-4}$
$=\frac{2\times (-1)}{(4-x)\times (-1)} + \frac{5}{x-4}$
$=\frac{-2}{(x - 4)} + \frac{5}{x-4}$
$=\frac{-2 + 5}{x-4}$
$=\frac{3}{x-4}$
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