When when 12 is subtracted from a number n the result is 1/3 of it in what is the value of n

Question

When 12 is when 12 is subtracted from a number n the result is 1/3 of an in what is the value of n

Answer 1

n - 12 = n/3

n - n/3 = 12

(1 - 1/3)n = 12

(2/3)n = 12

n = (3/2)12 = 18

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