document.write( "Question 714558: How can you solve this using elimination?
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document.write( "x + 2y = 9
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document.write( "2x - 5y = -27 \n" );
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Algebra.Com's Answer #438894 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! x + 2y = 9 MULTIPLY BY -2 & ADD. \n" ); document.write( "2x - 5y = -27 \n" ); document.write( "-2X-4Y=-18 \n" ); document.write( "--------------------------- \n" ); document.write( "0X-9Y=-45 \n" ); document.write( "Y=-45/-9 \n" ); document.write( "Y=5 ANS. \n" ); document.write( "X+2*5=9 \n" ); document.write( "X+10=9 \n" ); document.write( "X=9-10 \n" ); document.write( "X=-1 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "2(-1)-5*5=-27 \n" ); document.write( "-2-25=-27 \n" ); document.write( "-27=-27 \n" ); document.write( " |