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M = -4/-3 = 4/3
4 berada di titik x
Jadi:
-3x + 4y = (-3 x 4)
-3x + 4y = -12 (Kalikn smua dngan -1 agar x bernilai positif)
3x - 4y = 12
3x - 4y -12 = 0
Jwaban:A