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04-09-2014
Mathematics

contestada

22.) -5n+3(6+7n)
23.) -2n-(9-10n)
24.) 10-5(9n-9)

Respuesta :

04-09-2014

[tex]22)\\\ -5n+3(6+7n)\\-5n+18+21n\\16n+18\\\\23)\\-2n-(9-10n)\\-2n-9+10n\\8n-9\\\\24)\\10-5(9n-9)\\10-45n-9\\-45n+1[/tex]

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