document.write( "Question 632251: i need help on elimination method\r
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document.write( "please help me to solve this equation\r
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document.write( "5x-2y=3
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document.write( "2x+5y=4 \n" );
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Algebra.Com's Answer #398202 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 5 x -2 y = 3 .............1 \n" ); document.write( " \n" ); document.write( "2 x + 5 y = 4 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 5 \n" ); document.write( "Multiply (2) by 2 \n" ); document.write( "25 x -10 y = 15 \n" ); document.write( "4 x + 10 y = 8 \n" ); document.write( "Add the two equations \n" ); document.write( "29 x = 23 \n" ); document.write( "/ 29 \n" ); document.write( "x = 4/5 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "5 x -2 y = 3 \n" ); document.write( "4 -2 y = 3 \n" ); document.write( " -2 y = 3 -4 \n" ); document.write( " -2 y = -1 \n" ); document.write( " y = 1/2 \r \n" ); document.write( "\n" ); document.write( "x=4/5, y= 1/2 \n" ); document.write( " \n" ); document.write( " |