document.write( "Question 54414: the average of 5,9,10,13 and a equals 11.find the value of a?
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Algebra.Com's Answer #36662 by Nate(3500)\"\" \"About 
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(5 + 9 + 10 + 13 + a)/5 = 11
\n" ); document.write( "14 + 23 + a = 55
\n" ); document.write( "37 + a = 55
\n" ); document.write( "a = 18
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