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3a + 4a - 2b + b.
3a + 4a - 2b + b = 7a - b
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Asked 8/1/2008 8:12:41 AM
Updated 3/12/2014 4:14:44 AM
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3a + 4a - 2b + b = 7a - b
Added 3/12/2014 4:14:44 AM
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