document.write( "Question 700254: 20x+3y=20 and -20x+5y=60 using elimination \r
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document.write( "20x+3y=20 -20x+5(10)=60
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document.write( "-20x+5y=60 -20x+50= 60
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document.write( "----------- -50 -50
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document.write( "0+8y=80 --- ---
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document.write( " -- -- -20x-110
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document.write( " 8 8 ---- ---
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document.write( "y=10 x=5.5
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document.write( "My question is, did I get the right answer, if not how did I mess up?
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Algebra.Com's Answer #431766 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 20x+3y=20 and -20x+5y=60 using elimination \r \n" ); document.write( "\n" ); document.write( "20x+3y=20 -20x+5(10)=60 \n" ); document.write( "-20x+5y=60 -20x+50= 60 \n" ); document.write( "----------- -20x= -50 +60 \n" ); document.write( "0+8y=80 --- --- \n" ); document.write( " -- -- -20x= 10 \n" ); document.write( " 8 8 ---- --- \n" ); document.write( "y=10 x=-0.5 \n" ); document.write( " \n" ); document.write( " |