document.write( "Question 317185: Twenty-one less than 4 times a number is 31. what is the number? \n" ); document.write( "
Algebra.Com's Answer #227124 by Jstrasner(112)\"\" \"About 
You can put this solution on YOUR website!
hey,\r
\n" ); document.write( "\n" ); document.write( "For this one we need to simply write what we know:\r
\n" ); document.write( "\n" ); document.write( "n (number) \r
\n" ); document.write( "\n" ); document.write( "31 = 4n - 21\r
\n" ); document.write( "\n" ); document.write( "52 = 4n\r
\n" ); document.write( "\n" ); document.write( "13 = n\r
\n" ); document.write( "\n" ); document.write( "I hope this helps!
\n" ); document.write( "
\n" );