Two equal sides of an isoceles triangle are given by the equations 7x - y + 3 =0 and x + y =0 and its third side passes through the point (1,-10). Determine the equation of the third side.
Two equal sides of an isoceles triangle are given by the equations 7x - y + 3 =0 and x + y =0 and its third side passes through the point (1,-10). Determine the equation of the third side.