document.write( "Question 406311: solve by the substatution method \r
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document.write( "7x-8y=-35
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document.write( "7x+84=y \n" );
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Algebra.Com's Answer #286753 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 7x-8y=-35 \n" ); document.write( "7x+84=y --> 7x = y-84 \n" ); document.write( "Sub for 7x in the 1st eqn \n" ); document.write( "y-84 - 8y = -35 \n" ); document.write( "-7y = -119 \n" ); document.write( "y = 17 \n" ); document.write( "---------- \n" ); document.write( "Sub for y and find x\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |