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Mathematics 12 Online
OpenStudy (anonymous):

Does anyone know how to get 3/97 out of this : 1 over z - 1/2z - 1/5z = 10 over 21

OpenStudy (anonymous):

Nope, what's z (just a var?)

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

and that's a half z and a fifth z?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

what is it

OpenStudy (anonymous):

z = 7 is all I can get, so it's a mess up or some kind of trick.

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