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the sum of the digits of a two digit number is 15. one third of the number diminished by 12 is 17. find the number.

Sagot :

x = missing number
x/3 - 12 = 17
x/3 = 17 + 12
x/3 = 29
3*x/3 = 29*3

x = 87
8 + 7 = 15



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