Question

Add or subtract negative numbers​

Answer 1

`9+(-2)\\9-2\\=7`

`-6+(-3)\\-6-3\\=-9`

`4+(-9)\\4-9\\=-5`

Answer 2

see below

Explanation:

9 + -2 =

9 -2 = 7

-6 + -3

-6 - 3 =-9

4 + - 9

-9 +4 = -5