Answer
$-\dfrac {1}{5}=-0.2$
Work Step by Step
Substitute the given values of the variables into the expression:
$\dfrac {x+y}{x-2}=\dfrac {\left( -2\right) +3}{\left( -2\right) -3}=\dfrac {1}{-5}=-\dfrac {1}{5}=-0.2$
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