Question 757351
Lines that are parallel to one another
have the same gradient m1 = m2
Using the form y - b = m(x - a) and m = 5
 y - 9 = 5(x - 4)
 y - 9 = 5x - 20
     y = 5x - 20 + 9
     y = 5x - 11
Hope this helps.
:-)