Answer
$-13$
Work Step by Step
$|-13|>|0|$ so add $0$ and $13$ then use the sign of $-13$ to obtain:
$0+(-13)=-(0+13)=-13$
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.