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Mathematics 21 Online
OpenStudy (anonymous):

4z-9z=-5. z=1?

OpenStudy (anonymous):

4z-9z=-5 -5z=-5 z=-5/-5 z=1 You're right.

OpenStudy (anonymous):

Ok.. Thank you.

OpenStudy (anonymous):

Thanks Luis xD

OpenStudy (anonymous):

4z-9z=-5 -5z = -5 ->z = 1

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