document.write( "Question 813074: solve the following system of equations.\r
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document.write( "x+7y=9
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document.write( "x=4-7y \n" );
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Algebra.Com's Answer #489469 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! solve the following system of equations.\r \n" ); document.write( "\n" ); document.write( "x+7y=9 \n" ); document.write( "x=4-7y --> x+7y = 4 \n" ); document.write( "---------------- \n" ); document.write( "x+7y = 9 \n" ); document.write( "x+7y = 4 \n" ); document.write( "--------------- Subtract \n" ); document.write( "0 = 5 \n" ); document.write( "--- \n" ); document.write( "It's inconsistent ---> no solution \n" ); document.write( "If you graph the equations, you get parallel lines. \n" ); document.write( "No intersection, no solution \n" ); document.write( " \n" ); document.write( " |