On the number axis, the distance from point a to - 4 is equal to the distance from the point representing - 4 to the point representing - 2, then what is the rational number represented by point a?

On the number axis, the distance from point a to - 4 is equal to the distance from the point representing - 4 to the point representing - 2, then what is the rational number represented by point a?


-2 or - 6