Answer
-5x + 5y = 50
Work Step by Step
-x + y = 10 multiply by 5 to both sides
5 ( -x + y ) = $5\times10$
-5x + 5y = 50
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.