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22-08-2014
Mathematics

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Eleven diminished by 5 times a number is the same as 4 times the number increased by 20.

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22-08-2014

[tex]x-number\\\\ 11-5x=4x+20\\\\ -5x-4x=20-11\\\\-9x=9\ \ |:(-9)\\\\ x=-1\\\\Number\ is\ -9.[/tex]

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