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Persamaan :
y -y₁ = x -x₁
y₂ -y₁ x₂ -x₁
y -4 = x -(-3)
-5 -4 2 -(-3)
y -4 = x +3
-9 5
5(y -4) = -9(x +3)
5y -20 = -9x -27
5y = -9x -27 +20
5y = -9x -7
9x +5y +7 = 0
Itu jawabannya.