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April 17, 2014

April 17, 2014

Posted by **ashley** on Sunday, November 21, 2010 at 11:31am.

- algebra -
**Ms. Sue**, Sunday, November 21, 2010 at 11:37am-3r+18=6r

18 = 6r + 3r

18 = 9r

18/9 = r

? = r

- algebra -
**tom**, Sunday, November 21, 2010 at 1:52pm_3r+18=6r

add 3r to ech side of equation.

18=9r

dived each side by 2

2=r

r=2

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