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3. Evaluate the expression for a = –1 and b = 5. 5a – 7b
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Asked 7/10/2013 12:49:27 PM
Updated 6/27/2014 2:29:23 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Edited by jeifunk [6/27/2014 2:27:33 AM], Flagged by jeifunk [6/27/2014 2:28:35 AM]
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User: 3. Evaluate the expression for a = –1 and b = 5. 5a – 7b

Weegy: Sorry but the express in the above is not completely shown, please make it complete before i can give an answer.
boomboom123|Points 10|

User: 5. Simplify the expression. 9xy2 – 11xy2

Question
Asked 7/10/2013 12:49:27 PM
Updated 6/27/2014 2:29:23 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Edited by jeifunk [6/27/2014 2:27:33 AM], Flagged by jeifunk [6/27/2014 2:28:35 AM]
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3
a = –1 and b = 5
5a - 7b
5(-1) - 7(5)
=-5-(7)(5)
=-5-35
=-40
Added 6/27/2014 2:28:32 AM
This answer has been confirmed as correct and helpful.
3
9xy^2 11xy^2 = -2xy^2
Added 6/27/2014 2:29:23 AM
This answer has been confirmed as correct and helpful.
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