brainliest and 100 points

Answer:
I think your answer is 5 - 9 = -1(9 - 5)
Step-by-step explanation:
Point slope form is the image attatched.
Plugging into the equation and solving:
y2 - y1 = m(x2 - x1)
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5 - 9 = m(9 - 5)
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-4 = m(4)
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-4 = 4m
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-1 = m
5 - 9 = -1(9 - 5)
I hope this helps, have a nice day :D