document.write( "Question 870582: Using the method of Elmination solve the following system.\r
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document.write( "4x - y = -1
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document.write( "3x + 4y= -2 \n" );
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Algebra.Com's Answer #525006 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 4 x -1 y = -1 .............1 \n" ); document.write( "Total value \n" ); document.write( "3 x + 4 y = -2 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 4 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "16 x -4 y = -4 \n" ); document.write( "3 x + 4 y = -2 \n" ); document.write( "Add the two equations \n" ); document.write( "19 x = -6 \n" ); document.write( "/ 19 \n" ); document.write( "x = - 6/19 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "4 x -1 y = -1 \n" ); document.write( "-24/19 -1 y = -1 \n" ); document.write( " -1 y = -1 + 24/19 \n" ); document.write( " -1 y = 5/19 \n" ); document.write( " y = - 5/19 \n" ); document.write( " \n" ); document.write( " |