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Mathematics, 02.08.2019 18:00 gvizabal

Simplify (x - y + 1) - (x + y - 1). a)2x - 2y + 2 b)-2y + 2 c)2y - 2 d)-2x + 2y

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Simplify (x - y + 1) - (x + y - 1). a)2x - 2y + 2 b)-2y + 2 c)2y - 2 d)-2x + 2y...
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