document.write( "Question 575862: the sum of twice a number and 4 is -12.
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Algebra.Com's Answer #369657 by jim_thompson5910(35256) ![]() 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( " |