Be quick garcia is modeling the equation 5x + (-1) = -2x +6 by using the following tiles: 5 positive x-tiles and 1 positive unit tile to represent 5x + (– 1) 2 negative x-tiles and 6 positive unit tiles to represent –2x + 6 which statement explains garcia’s error? a. garcia should have used 5 positive x-tiles and 1 negative unit tile to represent 5x + (–1). b. garcia should have used 2 positive x-tiles and 6 positive unit tiles to represent –2x + 6. c. garcia should have used 1 negative x-tile and 5 positive unit tiles to represent 5x + (–1), and he should have used 6 positive x-tiles and 2 negative unit tiles to represent –2x + 6. d. garcia should have used 5 negative x-tiles and 1 positive unit tile to represent 5x + (–1), and he should have used 2 positive x-tiles and 6 negative unit tiles to represent –2x + 6.