Positive minus negative Why subtracting a negative number equals the opposite of adding a negative number Case 7 - (- 3) = 7 + 3

Positive minus negative Why subtracting a negative number equals the opposite of adding a negative number Case 7 - (- 3) = 7 + 3

This can be solved by the number axis. If you draw the number axis well, the meaning of 7 - (- 3) is the distance between 7 and (- 3), so it is equal to 7 + 3
It's very clear