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jawab :
5y = -4x - 6
y = -4/5x - 6/5
m1 = - 4/5 sejajar berarti m2 = -4/5
y - y1 = m2 (x - x1)
y - 3 = -4/5 ( x - 2)
(y - 3)5 = - 4x + 8
5y - 15 + -4x = 8
5y - 4x = 33