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maka -3/2.m2 = -1
m2 = -1/ -3/2 = 2/3
Melalui titik (-3,5)
y-5 = 2/3(x+3)
y-5 = 2/3x + 2 maka 2/3x + 2 - y + 5 = 0
2/3x - y + 7 = 0 semua ruas dikali 3 maka
2x - 3 + 21 = 0 :)