The equation of perpendicular bisectors ...

The equation of perpendicular bisectors of the sides AB and AC of a triangle ABC are x - y + 5 = 0 and x + 2 y = 0 respectively. If the point A is (1, -2), find the equation of the line BC

4x+23y−40=0

14x+23y−30=0

14x+23y−40=0

none of these

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