document.write( "Question 528973: Need help\r
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document.write( "simplify for expression 8 - 8n -10n \n" );
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Algebra.Com's Answer #349810 by boilpoil(127)![]() ![]() You can put this solution on YOUR website! This is a small questions within the directed numbers:\r \n" ); document.write( "\n" ); document.write( "8-8n-10n: we will ignore the 8 for now since it is already seperated \n" ); document.write( "-8n-10n: these are all negative numbers(or unknowns), I need you to remember these:\r \n" ); document.write( "\n" ); document.write( "+,+=+ \n" ); document.write( "+,-=- \n" ); document.write( "-,+=- \n" ); document.write( "-,-=+\r \n" ); document.write( "\n" ); document.write( "or you could just remember same symbols are positive, different symbols are negative.\r \n" ); document.write( "\n" ); document.write( "And calculations on addition and subtraction:\r \n" ); document.write( "\n" ); document.write( "if the numbers' following symbols are the same, they adds and will copy down the symbol: \n" ); document.write( "E.g. -1-1=-2\r \n" ); document.write( "\n" ); document.write( "if the numbers' following symbols are different, they subtracts and will copy down the symbol of the larger number (if they are same the answer will always be 0)\r \n" ); document.write( "\n" ); document.write( "E.g 1)-8+10=+2 \n" ); document.write( " 2)-7+7=0\r \n" ); document.write( "\n" ); document.write( "According to these:\r \n" ); document.write( "\n" ); document.write( " -8n-10n \n" ); document.write( "=-18n\r \n" ); document.write( "\n" ); document.write( "And:\r \n" ); document.write( "\n" ); document.write( " 8-8n-10n \n" ); document.write( "=8-18n \n" ); document.write( " |