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December 21, 2014

December 21, 2014

Posted by **Sue** on Saturday, February 11, 2012 at 3:56pm.

Please help me solve and show how you did it. Thanks

- Math -
**Stephanie**, Saturday, February 11, 2012 at 5:39pmz=2

Okay, well you need to isolate the variable, so I subtracted 1/4 from both sides. So I got (15/8)z=4-(1/4).

Or (15/8)z=15/4

Then simply multiply both sides by (8/15) to get z alone.

z=(15/4)(8/15)

z=2

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