document.write( "Question 881566: Find x if the average of 20, 20, 19, 13, and x is 16. \n" ); document.write( "
Algebra.Com's Answer #532300 by JulietG(1812)\"\" \"About 
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20+20+19+13+x = 16*5 (five numbers)
\n" ); document.write( "72+x = 80
\n" ); document.write( "Subtract 72 from each side
\n" ); document.write( "x = 8
\n" ); document.write( ".
\n" ); document.write( "Prove it.
\n" ); document.write( "20+20+19+13+8=80
\n" ); document.write( "80/5 = 16
\n" ); document.write( "Success!
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