SOLUTION: Simplify: (x - y + 1) - (x + y - 1).

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Question 763781: Simplify:
(x - y + 1) - (x + y - 1).
Found 2 solutions by Tatiana_Stebko, jim_thompson5910:
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
(x - y + 1) - (x + y - 1)

x - y + 1 - x - y + 1

(x-x) + (-y - y) + (1 + 1)

0x - 2y + 2

-2y + 2

Answer: -2y + 2