Urgent Answer Please!

CPhill your comments are always interesting! How do u make them, I wish I could make like these but sadly........................my mind is already full with study stuff so fun can't get much place!

Hava a lok at this Dragon.

http://web2.0calc.com/questions/the-result-of-subtracting-a-negetive-integer-from-a-positive-integer-is-a-positve-integer

Also, you don't actually need the backets.  They don't DO anything here.  

K. Thank you very much!

Have you worked it out do you thing?

Yes. 3 is the answer. I added the negative sign...

Ah, DS.....your prior mistake has now been reversed by your correct answer, and your "future" has now been course-corrected........you return to where you were....... like it never even happened  !!!!

Yeah! And that means that I will have a good future!