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Miscalculation is a puzzle in Professor Layton and the Diabolical Box.

PuzzleEdit

Mike has always been terrible at math. He's asked to "multiply a certain number by 9, then add 7," but instead he multiplies by 7 and adds 9.

He soon notices his error and starts to panic. When he tries to do the problem correctly, he ends up getting the same answer as when he made the mistake the first time. It's all an accident, but what is that "certain number," the one marked with a question mark below?

HintsEdit




Click a Tab to reveal the Hint.

Try creating an equation.
There's only one answer.
The again, you might just be able to use intuition to guess the answer...


SolutionEdit

CorrectEdit

Well done!

The number is one.

If you do the math, it all works out.

DBW24S

A big thanks to http://professorlayton2walkthrough.blogspot.com

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