The negative number represented by 5 unit length points on the number axis and the origin is (), and its distance from the point representing 2 is ()

The negative number represented by 5 unit length points on the number axis and the origin is (), and its distance from the point representing 2 is ()

0-(-5)=5,2-(-5)=7,
So the negative number represented by a point of 5 unit length on the number axis and the origin is (- 5), and its distance from the point of 2 is (7)