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Verified answer
(-4 , 7) dan (-3 , -1)=> (x₁ , y₁) dan (x₂ , y₂)
m = Δy / Δx
= (-1 - 7) / (-3 + 4)
= -8 / 1
= -8
Persamaan
y - y₁ = m(x - x₁)
y - 7 = -8(x + 4)
y - 7 = -8x - 32
8x + y + 25 = 0