document.write( "Question 919988: How to solve this? our lesson is about elimination.\r
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document.write( "1) 3x+y= 2
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document.write( " 9x+2y= 7\r
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document.write( "2) x-y=- 7
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document.write( " 3x+y= 19\r
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document.write( "3) 4x+y= 6
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document.write( " x-2y= 15\r
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document.write( "4) 2x+y= 10
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document.write( " 4x+2y= 5\r
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document.write( "5) -x+3y= -2
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document.write( " -3x+9y= -6 \n" );
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Algebra.Com's Answer #558086 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! 1) Multiply the first equation by -2 and add the equations together. You eliminate y. \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "2) Add the equations together. You eliminate y. \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "3) Multiply the first equation by 2 and add the equations together. You eliminate y. \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "4) Multiply the first equation by -2 and add the equations together. You eliminate y. \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "5) Multiply the first equation by -3 and add the equations together. You eliminate y. \n" ); document.write( " |