Math

-2n-(9-10n)

Asked by AnneS2 on 10 Apr 02:38

Last updated by anonymous on 11 Apr 22:36

1 Answers

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Answered by CherieS on 11 Apr 22:36

-2n-(9-10n)

-2n (-1)(9) (-1)(-10n)

-2n-9+10n

-2n+10n-9

8n-9