Subtract 9mn-7m from 3n-4mn
Answers
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Answer:
-14mn-3n+7m
Step-by-step explanation:
3n-4mn-9mn+7m
-4mn-9mn-3n+7m
-14mn-3n+7m
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9mn - 7m from 3n - 4mn
solution
5mn - 7m - 3n
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