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document.write( "half a number is three times than another number calculate the value of the numbers if the difference between them is 12\r
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Algebra.Com's Answer #454112 by checkley79(3341) ![]() You can put this solution on YOUR website! x/2=3y or x=2*3y=6y \n" ); document.write( "x-y=12 \n" ); document.write( "6y-y=12 \n" ); document.write( "5y=12 \n" ); document.write( "y=12/5 \n" ); document.write( "y=2.4 ans. \n" ); document.write( "x=6*2.4 \n" ); document.write( "x=14.4 ans. \n" ); document.write( "Proof: \n" ); document.write( "14.4/2=3*2.4 \n" ); document.write( "7.2=7.2 \n" ); document.write( " |