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December 19, 2014

December 19, 2014

Posted by **alex** on Tuesday, August 31, 2010 at 5:52am.

- pre algebra -
**Reiny**, Tuesday, August 31, 2010 at 8:15am-4x+7=11

subtract 7 form both sides

-4x+7-7=11-7

-4x = 4

divide both sides by -4

-4x/-4 = 4/-4

x = -1

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