Yang nomor 29 tolong dibantuin

Kelas 8 Matematika
Bab Persamaan Garis

(0, 2) dan (4, 7)
(x1, y1)    (x2, y2)

(y - y1)/(y2 - y1) = (x - x1)/(x2 - x1)
(y - 2)/(7 - 2) = (x - 0)/(4 - 0)
(y - 2)/5 = x/4
4 (y - 2) = 5x
4y - 8 = 5x
5x - 4y = -8