document.write( "Question 85521: Solve by the Elimination Method\r
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document.write( "2/3x + 1/2y = 9
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document.write( "1/3x - 1/9y = 4 \n" );
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Algebra.Com's Answer #61762 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! 2/3x + 1/2y = 9 \n" ); document.write( "1/3x - 1/9y = 4 \n" ); document.write( "Match X's for Simplicity~ \n" ); document.write( "2/3x + 1/2y = 9 \n" ); document.write( "-2(1/3x - 1/9y = 4) \n" ); document.write( "~ \n" ); document.write( "2/3x + 9/18y = 9 \n" ); document.write( "-2/3x + 4/18y = -8 \n" ); document.write( "Sum Both~ \n" ); document.write( "13/18y = 1 \n" ); document.write( "y = 18/13 \n" ); document.write( "Plug~ \n" ); document.write( "2/3x + 1/2y = 9 \n" ); document.write( "2/3x + 1/2(18/13) = 9 \n" ); document.write( "2/3x + 9/13 = 117/13 \n" ); document.write( "2/3x = 108/13 \n" ); document.write( "x = 108/13(3/2) \n" ); document.write( "x = 162/13 \n" ); document.write( "(162/13,18/13) \n" ); document.write( " |