Answer
Please see the graph.
(-1,-3)
Work Step by Step
$y=-x-4$
$-3 = -1*-1-4$
$-3 = 1-4$
$-3 = -3$
$4x-y=-1$
$4*-1--3=-1$
$-4 +3 = -1$
$-1 = -1$
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