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3r=2(7+5r)
3r = 2(7 + 5r); 3r = 14 + 10r; 3r - 10r = 14; -7r = 14; r = -14/7; r = -2
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Asked 11/3/2008 10:27:58 AM
Updated 7/8/2015 5:39:03 AM
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3r = 2(7 + 5r);

3r = 14 + 10r;

3r - 10r = 14;

-7r = 14;

r = -14/7;

r = -2
Added 7/8/2015 5:39:03 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [7/9/2015 1:10:11 PM]
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