Answer:
System #4 coordinates
-5x + y = 1 = (0, 1), (-0.2,0)
-10x + 2y = -2 = (0.2, 0), (0, -1)
System #5 coordinates
y= 1/2x = -2 = (-0.25, -2)
y= x + 1 = (0, 1), (-1, 0)
Explanation:
x=-4
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