document.write( "Question 698711: solve the system of equations by equations by elimanation
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document.write( "9x+5y=11
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document.write( "4x+y=11 \n" );
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Algebra.Com's Answer #431038 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 9x+5y=11 \n" ); document.write( "4x+y=11 MULTIPLY BY -5 & ADD. \n" ); document.write( "-20X-5Y=-55 \n" ); document.write( "9X+5Y=11 \n" ); document.write( "------------------- \n" ); document.write( "-11X=-44 \n" ); document.write( "X=-44/-11 \n" ); document.write( "X=4 ANS. \n" ); document.write( "9*4+5Y=11 \n" ); document.write( "36+5Y=11 \n" ); document.write( "5Y=11-36 \n" ); document.write( "5Y=-25 \n" ); document.write( "Y=-25/5 \n" ); document.write( "Y=-5 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "4*4+(-5)=11 \n" ); document.write( "16-5=11 \n" ); document.write( "11=11 \n" ); document.write( " |