Persamaan garis yang melalui titik (2, -3) dan sejajar garis 2x-3y+5=0 adalah...

m = -a/b = -2/-3 = 2/3

y-y1 = m(x-x1)
y-(-3) = 2/3(x-2)
y+3 = 2/3(x-2)
3(y+3) = 2(x-2)
3y+9 = 2x - 4
0 = 2x - 3y - 4 - 9
0 = 2x - 3y - 13
2x - 3y - 13 = 0