document.write( "Question 378670: using elimination method solve:
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document.write( "2y+5x=7
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document.write( "2x-4y=10
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document.write( "(the page isnt coming up right. i hope you get this anyways!)
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document.write( "Thanks(: \n" );
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Algebra.Com's Answer #268941 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! Given\r \n" ); document.write( "\n" ); document.write( "2y + 5x = 7 \n" ); document.write( "-4y + 2x = 10\r \n" ); document.write( "\n" ); document.write( "Multiply the first equation by 2:\r \n" ); document.write( "\n" ); document.write( "4y + 10x = 14 \n" ); document.write( "-4y + 2x = 10\r \n" ); document.write( "\n" ); document.write( "Add the two equations\r \n" ); document.write( "\n" ); document.write( "12x = 24\r \n" ); document.write( "\n" ); document.write( "x = 2 \n" ); document.write( "From this, we obtain y = -3/2. \n" ); document.write( " |