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Verified answer
Y = 2x + 5m = 2
syarat tegak lurus
m1 . m2 = - 1
2 . m2 = - 1
m2 = - ½
pers garis
y - y1 = m (x - X1)
y - 3 = - ½ ( x - 2)
y = - ½x + 1 + 3
y = - ½x + 4 (dikali 2)
2y + x = 8 (C)