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OpenStudy (lukecrayonz):
(8/z)-z=4 (8/z)-z=4 @Mathematics
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OpenStudy (a_clan):
multiply by z throughout
OpenStudy (lukecrayonz):
Not sure what you mean...
OpenStudy (lukecrayonz):
I got it guys :)
OpenStudy (anonymous):
(8/z)-z=4 => 8-z^2=4z =>z^2+4z=8 =>z(z+4)=8 either z=8 or z=4
OpenStudy (lukecrayonz):
Oh, haha :PP
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