document.write( "Question 447281: Solving by Elimination.\r
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document.write( "{x-2y=14
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document.write( " 3x-y=2 \n" );
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Algebra.Com's Answer #307948 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x-2y=14 .............1 \n" ); document.write( "3x-y=2 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 1 \n" ); document.write( "Multiply (2) by -2 \n" ); document.write( "x-2y=14 \n" ); document.write( "-6x+2y=-4 \n" ); document.write( "Add the two equations \n" ); document.write( "-5x=10 \n" ); document.write( "/-5 \n" ); document.write( "x=-2 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "x-2y=14 \n" ); document.write( "-2-2y=14 \n" ); document.write( "-2y=14+2 \n" ); document.write( "-2y=16 \n" ); document.write( "y=-8\r \n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( "CHECK \n" ); document.write( " \n" ); document.write( "1 x + -2 y = 14 \n" ); document.write( "-2 + 16 = 14 \n" ); document.write( " \n" ); document.write( " |