preston1847 preston1847
  • 10-05-2021
  • Mathematics
contestada

This question has had me confused for about an hour, please help

This question has had me confused for about an hour please help class=

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anami07233 anami07233
  • 10-05-2021
For this question the answer is m+n since -n+n would cancel out, and m+m would be 2m.
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