document.write( "Question 109896: i need a answer to:\r
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document.write( "3x-y=2
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document.write( "x+2y=10 \n" );
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Algebra.Com's Answer #80101 by vidhyak(98) ![]() You can put this solution on YOUR website! \n" ); document.write( "3x -y =2 ......eq 1 \n" ); document.write( "x +2y =10 ......eq 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply eq1 by 2\r \n" ); document.write( "\n" ); document.write( "6x -2y =4 \n" ); document.write( "x +2y =10 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add the above equations\r \n" ); document.write( "\n" ); document.write( "7x =14 \n" ); document.write( "x=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute x = 2 in eq 1 \n" ); document.write( "3x -y =2 \n" ); document.write( "3(2) -y =2 \n" ); document.write( "6 - y =2 \n" ); document.write( "-y = -4 \n" ); document.write( "y = 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2, y = 4 \n" ); document.write( " |