document.write( "Question 444146: 6x - y = 39
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document.write( "6x + 7y=33 \n" );
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Algebra.Com's Answer #306244 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 6x-y=39 .............1 \n" ); document.write( "6x+7y=33 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 7 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "42x-7y=273 \n" ); document.write( "6x+7y=33 \n" ); document.write( "Add the two equations \n" ); document.write( "48x=306 \n" ); document.write( "/48 \n" ); document.write( "x=6.38 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "6x-1y=39 \n" ); document.write( "38.25- y=39 \n" ); document.write( "-y=39-38.25 \n" ); document.write( "-y=0.75 \n" ); document.write( "y=-0.75 \n" ); document.write( " \n" ); document.write( " |