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17-02-2021
Mathematics

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1) -5n – 4n ?????????????????????????????????????????

Respuesta :

rosemass rosemass

17-02-2021

Answer: =−9n

Step-by-step explanation: hope this help

-5n-4n

=-5n-4n

=-5n+-4n

=-n+-n+-n+-n+-n+-n+-n+-n+-n

=-9n

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