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OpenStudy (anonymous):
HELP! r=x+7/x solve for x
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OpenStudy (anonymous):
\[x = \sqrt{r ^{2}-28-r}\div2\]
OpenStudy (anonymous):
how'd you get that?
OpenStudy (anonymous):
thefish x = +/-
OpenStudy (anonymous):
actually could be + r as well..
OpenStudy (anonymous):
wait...wouldnt it be x=7/r-1
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