anonymous
  • anonymous
+2 - -19 = ? Need help!!!!
Mathematics
schrodinger
  • schrodinger
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bahrom7893
  • bahrom7893
+2 + 19 = 21
bahrom7893
  • bahrom7893
double negative is a positive
ParthKohli
  • ParthKohli
Because -(-blah) = +blah,\[+2-(-19) = +2 + 19\]

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anonymous
  • anonymous
\[12-(-19)=12+19= ?\]
anonymous
  • anonymous
So what's the answer
anonymous
  • anonymous
31 :)
anonymous
  • anonymous
I think it's +21
anonymous
  • anonymous
anonymous
  • anonymous
Ohh. Yeap .. I calculated it according to my post.. Sorry I have written 12 instead of 2.. :D
anonymous
  • anonymous
Ok that you
anonymous
  • anonymous
+16 - -34 = ?
anonymous
  • anonymous
Same as the above.. Give a try.. :)
anonymous
  • anonymous
-18
anonymous
  • anonymous
anonymous
  • anonymous
Nope. 16+34=?
anonymous
  • anonymous
anonymous
  • anonymous
+50
anonymous
  • anonymous
Correct. Well done :)
anonymous
  • anonymous
Thank you
anonymous
  • anonymous
You are always welcome... :)
anonymous
  • anonymous
-11 - -47= ??
anonymous
  • anonymous
anonymous
  • anonymous
- - = + Try to do it...
anonymous
  • anonymous
So I add them
anonymous
  • anonymous
But the minus of the first one wouldn't change.. - a - -b = -a+b
anonymous
  • anonymous
Yeah add them up. Don't forget the minus mark at the front..

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