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16 October, 10:57

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

-2y+2

2y - 2

-2x + 2y

O2x - 2y + 2

+3
Answers (1)
  1. 16 October, 12:54
    0
    -2y + 2

    Step-by-step explanation:

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

    Distribute the minus sign

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

    Combine like terms

    x-x - y-y + 1+1

    -2y + 2
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