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Chapter 8 Solving Linear Equations

DaVinci Goes Linear

A code is based on the linear equation y = x + 3. Assign a number to each letter in the alphabet. Calculate the corresponding value of y, and use it to replace the letter in a message. For example, if C is letter 3, the corresponding value of y is 6. So C becomes an F.

To decode a message, reverse the process.

What message does the code PHHWDWVLA indicate?

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Click here for the solution

Note: Brain teasers are often open to more than one interpretation, and multiple answers may be possible. Sample solutions are shown.








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