document.write( "Question 468586: Determine whether the given ordered pair is a solution of the system.\r
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document.write( "(4, 5)
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document.write( "x + y = 9
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document.write( "x - y = -1 \n" );
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Algebra.Com's Answer #321523 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 4+y=9 \n" ); document.write( "y=9-4 \n" ); document.write( "y=5 \n" ); document.write( "(4,5) ok \n" ); document.write( "-------------- \n" ); document.write( "4-y=-1 \n" ); document.write( "-y=-5 \n" ); document.write( "y=5 \n" ); document.write( "(4,5) ok \n" ); document.write( " |