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25-06-2016
Mathematics

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Simplify (2n + 5) - (3n + 7) + (4n - 9). -3n - 11 3n - 11 -3n + 11 3n + 11

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25-06-2016

2n + 5 – (3n + 7) + 4n – 9
6n + 5 – (3n + 7) – 9
6n – 4 – (3n + 7)
6n – 4 – 3n – 7
3n – 4 – 7
3n –11

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