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December 18, 2014

December 18, 2014

Posted by **marie** on Sunday, December 20, 2009 at 8:35pm.

- math -
**drwls**, Monday, December 21, 2009 at 6:45amFirst, expand the term in parentheses (do the multiplication by 6)

6 -18x +6 = -42

Then, more all the constants to the right (changing signs when you do).

-18x = -42 -6 -6 = -54

Multiply both sides by -1

18x = 54

Divide both sides by 18.

x = 54/18 = 3

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