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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