document.write( "Question 307584: please help\r
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document.write( "substitution method:\r
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document.write( "6x - y = 10
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document.write( " y = -3/4x - 1\r
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document.write( "thanks \n" );
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Algebra.Com's Answer #220041 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! substitution method: \n" ); document.write( "6x - y = 10 \n" ); document.write( "y = -3/4x - 1 \n" ); document.write( "-------------- \n" ); document.write( "Sub for y into the 1st eqn \n" ); document.write( "substitution method: \n" ); document.write( "6x - y = 10 \n" ); document.write( "6x - (-3x/4 - 1) = 10 \n" ); document.write( "6x + 3x/4 + 1 = 10 \n" ); document.write( "27x/4 = 9 \n" ); document.write( "27x = 36 \n" ); document.write( "x = 4/3 \n" ); document.write( " \n" ); document.write( " |