Answer
Yes
Work Step by Step
$x + 3y = -12$
$0 + (3 \times (-4)) = -12$
$-12 = -12$
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.