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Verified answer
Pers. garis yg mll titik (x1,y1), 'n gradien m adalah(y - y1) = m (x - x1)
jika titik yg dilalui (-2,3) 'n brgradien -3, maka
(y - 3) = (-3)(x - (-2))
y - 3 = -3x - 6
y + 3x - 3 + 6 = 0
y + 3x + 3 = 0
semoga membantu ^^