A line 4x+y=1 through the point A(2,-7) meets the line BC whose equation is 3x-4y+1=0 at the point B.Find the equation of the line AC,so that AB=AC. A ray of light is sent along the line x-2y-3=0 Upon reaching the line 3x-2y-5=0,the ray is reflected.  Find the equation of the line containing thereflected ray.

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