document.write( "Question 103398: Seven times some number added to 4 amounts to -20 added to the product of 3 and the number.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #75197 by JP(22)![]() ![]() You can put this solution on YOUR website! 7x+4=3x-20 \n" ); document.write( "Subtract 3x to the left. \n" ); document.write( "4x+4=-20 \n" ); document.write( "Subtract 4 to the right. \n" ); document.write( "4x=-24 \n" ); document.write( "Divide -24/4 to isolate variable \"x\". \n" ); document.write( "x=-6\r \n" ); document.write( "\n" ); document.write( "Plug it back it to prove the solution. \n" ); document.write( "7(-6)+4=3(-6)-20 \n" ); document.write( "-38=-38 \n" ); document.write( " |