Which equation is modeled below? 1 negative x tile and 1 positive 1 tile = 2 x tiles and 3 positive 1 tiles Negative x + 1 = 2 x + 3 x + (negative 1) = 2 x + 3 x + (negative 1) = 3 x + 2 Negative 2 x = 2 x + 3