Which is the correct way to model the equation -x+8 = 7x+(-8) using algebra tiles? o 1 positive x-tile and 8 positive unit tiles on the left side; 7 positive x-tiles and 8 positive unit tiles on the right side
O 8 positive unit tiles on the left side 7 positive x-tiles and 8 negative unit tiles on the right side
O 1 negative x-tile and 8 positive unit tiles on the left side; 7 positive x-tiles and 8 negative unit tiles on the right side
8 positive x-tiles and 1 negative unit tile on the left side; 8 negative x-tiles and 7 positive unit tiles on the right side