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y + 4 = 5/2 (x - 3)
2y + 8 = 5x - 15
2y = 5x - 23
x1= 3 y1= -4
m2= 5/2
y-y1= m2(x-x1)
y-(-4)= 5/2(x - 3)
y + 4= 5/2x - 15/2
y= 5/2x - 15/2 - 4
2y= 5x - 15 - 8
2y= 5x - 23
atau
5x - 2y - 23= 0