Question 715182
The equation of line in slope point form is

(y-y1)=m(x-x1)

(x1,y1) = (1,-5)  m= -3

plug the values

9(y-(-5)=(-3)(x-1)

9(y+5)=-3x+3

9y+45=-3x+3

9y= -3x-42

/9
y= (-1/3)x -(14/3)