Answer:
2
Add negative 4 to positive 6, which is 4 - 6 but backwards, and that gives you 2
Or subtract 0 by 4, then add 2 which is -4 because you are subtracting 4 by 0 instead of 0 by 4, which would be four.
[tex]way~1\\4 - 6 = 2\\\\way~2\\(0 - 4) + 6 = 2[/tex]
