Answer
-22
Work Step by Step
We are asked to evaluate $x+y$ for $x=-13$ and $y=-9$. We can plug both values into the expression in order to evaluate.
$(-13)+(-9)=-(13+9)=-(22)=-22$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.