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06-09-2016
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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ashes2luna17 ashes2luna17

07-09-2016

x - number
11 - 5x = 4x + 20
-5x - 4x = 20 - 11
-9x = 9 | : (-9)
x = -1
number is -9

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