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Y-y1/y2-y1 = x-x1/x2-x1
Y-7/-8-7 = x-(-3)/2-(-3)
Y-7/-15 =x+3/5
(Y-7)5 = (x+3)-15
5y-35 =-15x-45
5y= -15x-45+35
5y = -15x-10
Y= -15x-10/5
Y= -3x-2 (B)
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