tolong bantuannya kak bsok dikumpulkan

1 a) (y - y1) / (y2 - y1) = (x - x1) / (x2 - x1)
(y + 3) / (7 + 3) = (x - 2) / (5 - 2)
(y + 3) / 10 = (x - 2) / 3
3(y + 3) = 10(x - 2)
3y + 9 = 10x - 20
3y - 10x = - 20 - 9
3y - 10x + 29 = 0