Answer:
x = -9
Explanation:
(x1, y1) = (-4, 3) & (x2, y2) = (x, 4)
m = (y2 - y1)/(x2 - x1)
-1/5 = (4 - 3)/(x - (-4) = 1/(x+4)
-(x + 4) = 5
-x - 4 = 5
-x = 5 + 4 = 9
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