document.write( "Question 463366: 4x-y=3
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document.write( "3x+y=4 \n" );
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Algebra.Com's Answer #317500 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! 4x - y = 3 \n" ); document.write( "3x + y = 4 \n" ); document.write( "---------- \n" ); document.write( "7x = 7 {added the two equations together} \n" ); document.write( "x = 1 {divided both sides by 7}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + y = 4 {bottom original equation} \n" ); document.write( "3(1) + y = 4 {substituted 1, in for x, into bottom original equation} \n" ); document.write( "3 + y = 4 {multiplied 3 by 1} \n" ); document.write( "y = 1 {subtracted 3 from both sides}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 1 and y = 1 \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |