Answer
$(-x)+(-y)=-x-y$
Work Step by Step
The opposites of two numbers can be translated as:
$-x$ and $-y$
The sum of these two is:
$(-x)+(-y)=-x-y$
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.