document.write( "Question 1036831: 20Cr = 20C(r+2), find the value of r.
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Algebra.Com's Answer #651544 by Alan3354(69443)\"\" \"About 
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20Cr = 20Cr +2, find the value of r.
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\n" ); document.write( "20Cr = 20Cr +2
\n" ); document.write( "0 = 2
\n" ); document.write( "No solution.
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