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

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(2n + 5) - (3n + 7) + (4n - 9)
(2n - 3n + 4n) + (5 - 7 - 9)
(-n + 4n) + (-2 - 9)
3n - 11
User Ilesh P
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