figure - moving the white knight to the left subtracts from the coordinate the white knight ends up at position - that means equals - if you add or subtract negative numberthe white knight would move in the opposite direction if you add negative numberthe knight moves to the left if you subtract negative numberthe knight moves to the right the expression - - would be equal to - the knight starts at - and moves to the right by spaces notice that - - has the same answer as - figure - even if the white knight starts at negative coordinatemoving right still adds to the coordinate figure - putting two number lines together creates cartesian coordinate system post questions to