document.write( "Question 503571: how do you solve problems with an varible in the answer? ex: 4x+9=7x or 4x+9=7X+3 \n" ); document.write( "
Algebra.Com's Answer #339303 by xdragonfight(116)\"\" \"About 
You can put this solution on YOUR website!
4x+9=7x -4x\r
\n" ); document.write( "\n" ); document.write( "3x=9\r
\n" ); document.write( "\n" ); document.write( "9divded by 3 is 3
\n" ); document.write( "x=3
\n" ); document.write( "
\n" );