document.write( "Question 141230: 2x+4y=24
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document.write( "-15x+10y=-20\r
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document.write( "x=? y=? \n" );
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Algebra.Com's Answer #102884 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x+4y=24 multiply this equation by -2.5 & add. \n" ); document.write( "-15x+10y=-20 \n" ); document.write( "-5x-10y=-60 \n" ); document.write( "--------------------- \n" ); document.write( "-20x=-80 \n" ); document.write( "x=-80/-20 \n" ); document.write( "x=4 answer. \n" ); document.write( "2*4+4y=24 \n" ); document.write( "8+4y=24 \n" ); document.write( "4y=24-8 \n" ); document.write( "4y=16 \n" ); document.write( "y=16/4 \n" ); document.write( "y=4 answer. \n" ); document.write( " \n" ); document.write( " |