document.write( "Question 403600: Use substitution or elimination to solve each system of equations.\r
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document.write( "2x + 5y= 16
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document.write( "5x - 2y=11 \n" );
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Algebra.Com's Answer #285357 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2x + 5y= 16..............1 \n" ); document.write( "5x - 2y=11...............2\r \n" ); document.write( "\n" ); document.write( "... \n" ); document.write( "multiply (1) by 2 & (2) by 5\r \n" ); document.write( "\n" ); document.write( "we get \n" ); document.write( "4x+10y=32 \n" ); document.write( "25x-10y=55\r \n" ); document.write( "\n" ); document.write( "add them \n" ); document.write( "29x=87 \n" ); document.write( "/29 \n" ); document.write( "x=3 \n" ); document.write( "... \n" ); document.write( "plug value of x in (1) \n" ); document.write( "2x+5y=16 \n" ); document.write( "2*3+5y=16 \n" ); document.write( "6+5y=16 \n" ); document.write( "5y=10 \n" ); document.write( "/5 \n" ); document.write( "y=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |