document.write( "Question 697259: determine the best method to solve the system of equations. then solve the system
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document.write( "-4x+5y=9, 4x-5y=-7 \n" );
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Algebra.Com's Answer #429832 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! determine the best method to solve the system of equations. then solve the system \n" ); document.write( "-4x+5y=9 \n" ); document.write( "4x -5y=-7 \n" ); document.write( "---------- \n" ); document.write( "Add the 2 equations. \n" ); document.write( " \n" ); document.write( " |