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July 23, 2014

July 23, 2014

Posted by **jane** on Sunday, October 2, 2011 at 6:45pm.

please show step by step to ans.

- math -
**Reiny**, Sunday, October 2, 2011 at 7:47pmmultiply each term by 12, the LCD

9 - 4z= 3

-4z = -6

z = 3/2

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