Answer
$(2,-1)$
Work Step by Step
$(x+y=1)$ $+$
$(x-y=3)$
$2x=4$
$x=2$
$2+y=1$
$y=-1$
$(2,-1)$
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.