document.write( "Question 575862: the sum of twice a number and 4 is -12.
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #369657 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"the sum of twice a number and 4 is -12\" translates to 2n+4 = -12, solve for n to get\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "2n + 4 = -12\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "2n = -12 - 4\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "2n = -16\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "n = -16/2\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "n = -8\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the unknown number is -8
\n" ); document.write( "
\n" );