Answers

2014-08-26T19:37:04+08:00
= 3 (3x+y) / 3x+y
= 3. The answer is 3.

I factored out first the numerator. And to simplify, cancel the same terms which is (3x+y) and the remaining is 3. 
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2014-08-26T19:42:10+08:00
The answer in this expression is 3.
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