Respuesta :

SJ2006

First of all, you have to calculate the slope of the line, m = (y2-y1)/(x2-x1)

4-1 / 5-6 = 3/-1 = -3

Now, it would be:  y-5 = -3(x-4)

y-5 = -3x+12

y = 17-3x