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OpenStudy (anonymous):
Add: (5m + 3n) + (4m - 6n).
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OpenStudy (anonymous):
A. 9m - 3n B. 9m + 3n C. 9m + 9n D. 13mn
OpenStudy (anonymous):
collect like terms
OpenStudy (anonymous):
How do I do that?
OpenStudy (anonymous):
(5+4) m + (3-6) n
OpenStudy (anonymous):
Then what do I do?
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myininaya (myininaya):
5+4=?
OpenStudy (anonymous):
9
myininaya (myininaya):
3-6=?
OpenStudy (anonymous):
-3
myininaya (myininaya):
great!
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OpenStudy (anonymous):
A!!!!!!
OpenStudy (anonymous):
the answer is a. combine like terms, if of opposite sign, subtract.
OpenStudy (anonymous):
Thanks everyone! :)
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