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Why can you not combine like terms with a problem such as 7xy + 9x? Or can you?
Question
Asked 3/31/2013 9:21:05 AM
Updated 6/20/2014 6:29:53 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [6/20/2014 6:29:42 AM]
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Original conversation
User: Why can you not combine like terms with a problem such as 7xy + 9x? Or can you?

Weegy: No, they are not equal. 9x^-2 = 1 / (81x^2) which is not equal to -81x^2.
Expert answered|corysave|Points 20|

Question
Asked 3/31/2013 9:21:05 AM
Updated 6/20/2014 6:29:53 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by yeswey [6/20/2014 6:29:42 AM]
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3
7xy + 9x are not like terms and can not be combined.

Added 6/20/2014 6:29:53 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [6/20/2014 6:33:22 AM]
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