document.write( "Question 54509This question is from textbook Algebra Structure and Method book 1
\n" ); document.write( ": three quarters of a number is 21. find the number \n" ); document.write( "
Algebra.Com's Answer #36758 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let x be the number
\n" ); document.write( "\"%283%2F4%29%2Ax+=+21\"
\n" ); document.write( "multiply both sides by 4
\n" ); document.write( "\"3x+=+84\"
\n" ); document.write( "divide both sides by 3
\n" ); document.write( "\"x+=+28\"
\n" ); document.write( "check by putting the answer back into the equation
\n" ); document.write( "\"%283%2F4%29%2A28+=+21\"
\n" ); document.write( "\"3%2A28+=+4%2A21\"
\n" ); document.write( "\"84+=+84\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );