document.write( "Question 357899: Add, simplify if possible\r
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Algebra.Com's Answer #255467 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Use the common denominator, \"r%5E2-16=%28r%2B4%29%28r-4%29\"
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\n" ); document.write( "\"%282r%29%2F%28r%5E2-16%29%2Br%2F%28r-4%29=%282r%2Br%5E2%2B4r%29%2F%28%28r-4%29%28r%2B4%29%29\"
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