Posted by **karen** on Tuesday, November 13, 2012 at 12:11am.

how do I write an equation for "fifteen decreased by twice n equals 13"

- 7th grade math -
**molly**, Tuesday, November 13, 2012 at 12:22am
15-(2n)=13

n=1

- 7th grade math -
**Secret**, Tuesday, November 13, 2012 at 1:11pm
15^-2=13

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