Answers

The Brainliest Answer!
2014-08-03T15:56:59+08:00
0 is the answer. when you add a 2 same number with opposite signs, the result is always 0
1 5 1
2014-08-03T16:02:33+08:00
(x-1) + [(-x)-(-1)] is 0.

" -(x-1) or -1(x-1) is the opposite of (x-1) or 1(x-1)."

Let's say that "x-1" is 2.
"-(x-1)" will automatically be -2.

When added, the answer will be 0.

0