Question

Addition of integers gives integers, so integers are closed under addition. For any on
Properties of addition & subtraction of integers.
Closure under addition:
integers a & b, a+b is an integer.
Observation
Statement
1
Result is an integer
17+23= 40
2
(-10) +3 =
3
(-20) +0=​

Answer 1

Answer:

*vnvxvds--ejh3&w-gqwhbs_fd ddgd;gdkgf+gdh#gshdjf

Answer 2

Answer:

For the last one answer is -20

Step-by-step explanation:

I can't understand what you are asking but for equation ((-20) +0=​) answer is -20.