Question

-1+-1 = ?

Answer 1

http://bit.ly/13tKz51
Really?

Answer 2

why u don't know??

Answer 3

1. draw a number line on a grid paper
2. mark 0, -1, -2, -3 horizontally. 1 grid for 1 number
3. Mark a point at -1.
4. count 1 grid left. See what number it is.

Answer 4

If you don't know how to do this question, follow the above steps.
If you just want to troll, then....

Answer 5

no wrong..
-1 + -1 = -2

Answer 6

Or you could just click my link.

Answer 7

what is it>?

Answer 8

A lazy Google search.
Click the link, watch what happens. Report back :P