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Q: -a + (2b – c) – (a –b +c)
A: -a + (2b – c) – (a – b + c) = -a + 2b - c - a + b - c; = -a - a + 2b + b - c - c; = -2a + 3b - 2c
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User: -a + (2b – c) – (a –b +c)

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Asked 9/21/2009 1:42:16 PM
Updated 285 days ago|9/7/2017 11:19:42 AM
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-a + (2b – c) – (a – b + c)

= -a + 2b - c - a + b - c;

= -a - a + 2b + b - c - c;

= -2a + 3b - 2c
Added 285 days ago|9/7/2017 11:19:42 AM
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [9/7/2017 2:18:17 PM]

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