document.write( "Question 607867: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.\r
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document.write( "6x – 4y = 19\r
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document.write( "24x - 16y = -76 \n" );
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Algebra.Com's Answer #382935 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Multiply the first equation by -4 to go from \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6x – 4y = 19 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-24x + 16y = -76\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now add this to the second equation\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " -24x + 16y = -76 \n" ); document.write( "+ 24x - 16y = -76 \n" ); document.write( "----------------------------------- \n" ); document.write( " 0x + 0y = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "giving us 0 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since that last equation is ALWAYS true, this means that there are an infinite number of solutions.\r \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim \n" ); document.write( "-------------------------------------------------------------------------------------------------------------- \n" ); document.write( " \n" ); document.write( " |