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August 29, 2014

Homework Help: algebra

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

Rearrange (r+s)/8s=(r-s)/8n to make r the subject.


OK, I have started by rearranging the formula:

8n(r+s)=8s(r-s)
8nr+8ns=8sr-8s^2
What do I do next?

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