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riasivaev5aeha riasivaev5aeha
  • 08-12-2015
  • Mathematics
Answered

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

2x - 2y + 2

-2y + 2

2y - 2

-2x + 2y

Verified Answer :

Exvited
Exvited Exvited
  • 03-01-2016

\((x - y + 1) - (x + y - 1) \\ \\ x - y + 1 - x - y + 1 \\ \\ (x - x) + (-y -y) + (1 + 1) \\ \\ -2y + 2 \\ \\ Answer: \fbox {-2y + 2}\)

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