Answer:
[tex] - 3 + 3 = 0 - 3 = - 3 \\ - 3 + 3 = 0 - 3 = - 3 \\ - 3 + 3 = 0[/tex]
I'm going to say yes, that it is. But I might be wrong, but I'm %99 sure that it is correct. Hope this helps.
