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semoga membantu....
L (-5, -6) x₂ = -5 y₂ = -6
y - y₁ / y₂ - y₁ = x - x₁ / x₂ - x₁
y -(-4) / -6 - (-4) = x -(-3) / -5 -(-3)
y + 4 / -2 = x + 3 / -2
-2y -8 = -2x - 6
2x - 2y = 2
x - y = 1
persamaan garisnya x-y = 1
maaf klo salah....