1. 6 + 2= 8
2. 20 - 10= 10
3. (-12) (0) -> (-12) × 0 = 0
4. (-3) -(-7) -> -3 - (-7) -> -3+ 7 = 4
5. (-24) + (-6) -> -24 + (-6) -> -24 -6 = -30
6. It cannot be done since the given equation/operation is incomplete

(para po hindi kayo malito :))

Subtraction example:

2 - 2

Negative example:

-2

Kapag po negative magkadikit po yung "-" at yung number