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Verified answer
Bab Persamaan GarisMatematika SMP Kelas VIII
Tegak lurus
m1 . m2 = -1
(-2/3) . m2 = -1
m2 = -1 . (-3/2)
m2 = 3/2
y - y1 = m (x - x1)
y - (-3) = (3/2) . (x - 5)
2 (y + 3) = 3 (x - 5)
2y + 6 = 3x - 15
3x - 2y = 6 + 15
3x - 2y = 21