Val says that the model below represents the equation Negative 2 x + 7 = 3 x + (negative 4). Tia says that the model represents the equation 7 minus 2 x = (negative 4) + 3 x. 2 negative x tiles and 7 positive 1 tiles = 3 x tiles and 4 negative 1 tiles Who is correct, Val or Tia? Only Val is correct. Only Tia is Correct. Both Val and Tia are correct. Neither Val nor Tia is correct.