persamaan garis yg melalui titik (-3, 2) dan (-4, -1) adalah

Pg. Titik (-3,2) dan (-4,-1)
(x-x1)/ (x2-x1) = (y-y1) /(y2-y1)
(x-(-3)) / (-4-3 = (y-2) / (-1-2)
(x+3)/(-7) = (y-2) / (-3)
(x+3)(-3) = (y-2) (-7)
-3x-9 = -7y + 14
-3x-9/-3 = -7y + 14/7
x-3 = -y+2
X-3+y-2 = 0
x + y - 5 = 0