Tolong caranya bagaimana.. US kemarin niih.. Tolong bentar lagi saya UN.. Doian saya pulaak.. Nomer 18 dan 19...

19. titik p (-1,4)
m = -3/5
persamaan garis p = y-y1= m(x-x1)
= y-5 = -3/5(x+3)
= y-5 = -3/5x -9/5
------------------------ x5
= 5y-25 = -3x-9
= 3x+5y = -9+25
= 3x+5y = 16