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You can put this solution on YOUR website!
let the larger number be x
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document.write( "difference of two numbers means (x-y)
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document.write( "this difference is nine more than the smaller number
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document.write( "x-y=9+y
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document.write( "x-y-y=9
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document.write( "x-2y=9......[1]
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document.write( "
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document.write( "the sum of the two numbers is 54
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document.write( "x+y=54.......[2]
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document.write( "
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document.write( "take the two equations together,
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document.write( "x-2y=9
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document.write( "x+y=54
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document.write( "subtract equation [2] from [1]
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document.write( "x-2y-(x+y)=9-54
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document.write( "x-2y-x-y=-45
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document.write( "-3y=-45
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document.write( "3y=45
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document.write( "y=15
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document.write( "
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document.write( "x+y=54
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document.write( "x=54-y=54-15=39
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document.write( "
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document.write( "x=39,y=15
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document.write( "
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document.write( "Hope this helps,
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document.write( "Prabhat