document.write( "Question 538829: what are the solutions?\r
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Algebra.Com's Answer #353253 by oberobic(2304)\"\" \"About 
You can put this solution on YOUR website!
(r/4)-(4/r)=0
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\n" ); document.write( "(r^2-16)/4r = 0
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\n" ); document.write( "((r-4)*(r+4))/4r = 0
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\n" ); document.write( "r = 4 or -4
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