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Bab Persamaan Garis
Matematika SMP Kelas VIII

(-4, 0) dan (0, 7)

(y - y1)/(y2 - y1) = (x - x1)/(x2 - x1)
(y - 0) / (7 - 0) = (x - (-4)) / (0 - (-4))
y/7 = (x + 4)/4
○○ dikalikan 28 ○○

4y = 7 (x + 4)
4y = 7x + 28
7x - 4y + 28 = 0