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When you add 12 to a number and then divide the sum by 13, you get the same result as when you subtract 13 from the number and then divide the difference by 12. What is the number?
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16 votes
When you add 12 to a number and then divide the sum by 13, you get the same result as when you subtract 13 from the number and then divide the difference by 12. What is the number?

User Jamie Wright
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1 Answer

19 votes
19 votes
(X+12)/13 = (X-13)/12

144 + 169 = X

313 = x

User Jon Shadforth
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