A number is 20 greater than the sum of its one-third and one-ninth | Dofollow Social Bookmarking Sites 2016
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1
Let the number be X .

Then, required equation

=> X - (X/3 + X/9) = 20

=> X - 4x/9 = 20

=> (9X - 4X)/9 = 20

=> 5X/9 = 20

=> 5X = 20 × 9

=> X = 36

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