document.write( "Question 260427: four times a number added to 9 times the number equals 39 \n" ); document.write( "
Algebra.Com's Answer #191875 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
4X+9X=39
\n" ); document.write( "13X=39
\n" ); document.write( "X=39/13
\n" ); document.write( "X=3 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "4*3+9*3=39
\n" ); document.write( "12+27=39
\n" ); document.write( "39=39
\n" ); document.write( "
\n" );