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January 31, 2015

January 31, 2015

Posted by **Sab** on Tuesday, August 28, 2012 at 11:19am.

OK, I have started by rearranging the formula:

8n(r+s)=8s(r-s)

8nr+8ns=8sr-8s^2

What do I do next?

- algebra -
**Sab**, Tuesday, August 28, 2012 at 11:23amall been clarified, thanks

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