jj8387949
jj8387949
23-08-2021
Mathematics
contestada
-9(1 - 10n) - 2(3n + 9)
Respuesta :
aniilsah555
aniilsah555
23-08-2021
Step-by-step explanation:
-9(1-10n)-2(3n+9)
-9+90n-6n-18
-9-18+90n-6n
-27+84n
3(-9+28n)
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