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x2-x1
= -13-1
-4-3
= -14 = 2
-7
MCA = y2-y1
x2-x1
= p+13 = p+13
10+4 14
2 = p+13
14
p+13 = 2×14
p = 28-13
p = 15
maaf kalau ada yg salah