Which of the following equations has exactly one solution?(1 point) Responses 3x−8=3x+8 3 x minus 8 equals 3 x plus 8 −3x+8=−3x−8 negative 3 x plus 8 equals negative 3 x minus 8 −8x+3=−8x+3 negative 8 x plus 3 equals negative 8 x plus 3 −3x−8=3x−8