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Mapel : MatematikaKelas : VIII SMP
Bab : PGL
Pembahasan :
Sejajar
M1 = M2 = a/b
M1 = M2 = -2/1
M1 = M2 = -2
Persaman Garis...
y - y1 = M2(x - x1)
y + 3 = -2(x - 4)
y + 3 = -2x + 8
2x + y - 5 = 0