Answer
Yes, -1/4
Work Step by Step
$x+4y+1=1$
$x+4y = 0$
$x=-4y$
$-1/4x = y$
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.