## kiki41554 3 years ago +2 - -19 = ? Need help!!!!

1. bahrom7893

+2 + 19 = 21

2. bahrom7893

double negative is a positive

3. ParthKohli

Because -(-blah) = +blah,\[+2-(-19) = +2 + 19\]

4. Miyuru

\[12-(-19)=12+19= ?\]

5. kiki41554

6. Miyuru

31 :)

7. kiki41554

I think it's +21

8. kiki41554

@Miyuru

9. Miyuru

Ohh. Yeap .. I calculated it according to my post.. Sorry I have written 12 instead of 2.. :D

10. kiki41554

Ok that you

11. kiki41554

+16 - -34 = ?

12. Miyuru

Same as the above.. Give a try.. :)

13. kiki41554

-18

14. kiki41554

@Miyuru

15. Miyuru

Nope. 16+34=?

16. Miyuru

@kiki41554

17. kiki41554

+50

18. Miyuru

Correct. Well done :)

19. kiki41554

Thank you

20. Miyuru

You are always welcome... :)

21. kiki41554

-11 - -47= ??

22. kiki41554

@Miyuru

23. Miyuru

- - = + Try to do it...

24. kiki41554

25. Miyuru

But the minus of the first one wouldn't change.. - a - -b = -a+b

26. Miyuru

Yeah add them up. Don't forget the minus mark at the front..