document.write( "Question 903022: 2a + 3b + c + 2d = 20
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document.write( "4a + b + 2c + 5d = 50
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document.write( "a + 2b + 3c + d = 10
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document.write( "2a + 4b + 2c + 3d = 15 \n" );
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Algebra.Com's Answer #547701 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Use Cramer's rule,\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |