# Mystery Case Files: Return to Ravenhearst

## Question from marianwilcher

### How do I solve the puzzle for the middle door?

how do I solve the puzzle for the middle door?

6 years ago

## Answers

**anakpipi answered:**

the middle door... you have to add or minus. Example, the thing in the up right corner's arrow is showing the colour blue, you have to turn on the mechine and see what number shows in the blue one, and then see the symbol (+) or (-) then add or minus the numbers. Write the result in the up right corner. Do all the numbers of every colours. Good luck!

6 years ago

**Wrasfish answered:**

Keep tapping the switches next to the lit numbers. When the two light, of say orange are lit, then you will add or subtract as the symbol shows. The result should then be typed in the upper right, after you move the dial to the same color. Now repeat this process with each color. The easiest way is to tap on the two lights of the same color that are lit. This makes other colors come up with numbers. When two more lights of the same color appear, then add or subtract them to put the new number in the box in the upper right, minding that you have the dial set on that new color.

5 years ago

**Wrasfish answered:**

Let me try this again. Turn on the machine, using the white button. Numbers appear, each creating half an arithmetic problem. There are switches next to those numbers. Click on a switch, and its number turns off and another number turns on. Keep doing this, and eventually two numbers across from each other will appear, thus creating a complete math problem. There's a small pilot light next to each number. Turn the dial to match the color of the lights. Press the typewriter keys to input the answer to the arithmetic problem. Then flick more switches until another complete math problem occurs. Repeat.

5 years ago

This question is open with pending answers, but none have been accepted yet

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