document.write( "Question 500092: 21 less than 4 times a number is equal to the number. What is the number? \n" ); document.write( "
Algebra.Com's Answer #338108 by Flannery(124)\"\" \"About 
You can put this solution on YOUR website!
4n-21=n
\n" ); document.write( "4n=21+n (add 21)
\n" ); document.write( "3n=21 (subtract n)
\n" ); document.write( "n=7 (divide by 3)
\n" ); document.write( "check
\n" ); document.write( "4(7)=21+7
\n" ); document.write( "28=28
\n" ); document.write( "Q.E.D.
\n" ); document.write( "
\n" );