Respuesta :

Answer:

y=-x+4

Step-by-step explanation:

m=y2-y1 ÷ x2-x1

= -3-3 ÷ 7-1

= -6÷ 6

= -1

y-y1= m( x-x1)

y-3= -1(x- 1)

y-3 = -1x+1

y = -x+1+3

y= -x+4