Seudónimo
Seudónimo
05-03-2017
Mathematics
contestada
simplify :
-2n - (9 - 10n)
9a + 10 ( 6a - 1)
Respuesta :
Аноним
Аноним
05-03-2017
-2n-9-10n
69a-10
Hope this helps
Answer Link
Аноним
Аноним
05-03-2017
1)
-2n - (9 - 10n)
= -2n - 9 + 10n
= 8n - 9
2)
9a + 10 ( 6a - 1)
= 9a + 60a - 10
= 69a - 10
Hope this helps!
Answer Link
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