document.write( "Question 373048: i need help wit this problem i believe its Elimination Method
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document.write( " -16x+6y=20
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document.write( "8x-5y=-22 \n" );
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Algebra.Com's Answer #265627 by Jk22(389) You can put this solution on YOUR website! -16x+6y=20 | eliminate x : *1 \n" ); document.write( "8x-5y=-22 | *2 = 16x - 10y = -44 \n" ); document.write( "---------------- \n" ); document.write( " \n" ); document.write( "-16x+6y=20 \n" ); document.write( "+16x - 10y = -44 \n" ); document.write( "----------------- \n" ); document.write( "-4y = -24 \n" ); document.write( " \n" ); document.write( "y = 6 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "-16x+6y=20 | eliminate y : *5 = -80x + 30y = 100 \n" ); document.write( "8x-5y=-22 | *6 = 48x - 30y = -132 \n" ); document.write( "--------------- \n" ); document.write( " \n" ); document.write( "-80x + 30y = 100 \n" ); document.write( "48x - 30y = -132 \n" ); document.write( "---------------- \n" ); document.write( "-32x = -32 \n" ); document.write( " \n" ); document.write( "x = 1 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Verification : \n" ); document.write( " \n" ); document.write( "-16 + 36 = 20 \n" ); document.write( "8 - 30 = -22 \n" ); document.write( " \n" ); document.write( " |