Answer
$e^{-x}-\frac{5}{2e^{2x}}+C$
Work Step by Step
$\int \frac{5-e^x}{e^{2x}}dx$
$=-\int e^{-2x}(e^x-5)dx$
$=-(\int e^{-x}dx - \int 5e^{-2x}dx$
$=-(-e^{-x}+\frac{5}{2}e^{-2x})+C$
$=e^{-x}-\frac{5}{2e^{2x}}+C$
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