How to solve the 4 door algebra puzzle on the 4th floor of the Evil Spirit Club in Persona Q

Published on December 21st, 2014 by Gervais D.

While exploring the 4th floor of the Evil Spirit Club labyrinth in Persona Q, you’re going to encounter a sort of algebra-looking puzzle that you will be required to solve to progress further in the game. This tutorial lets you know how to solve it.

You should find three pieces of a ripped paper with the following :

Top: +a+b-a+c-d-b
Middle: +c-b+a+a+c-a
Bottom: -b-b+b-d+a+c

How to solve the 4 door algebra puzzle on the 4th floor of the Evil Spirit Club in Persona Q

Place the icons in their respective positions as seen in the highlighted area of the screenshot above. “1” should go to the top-left room, “2” should be placed on the bottom-right room, “3” should be on the top-right room and “4” should go on the bottom-right room.

After placing the symbols on your map, move your character in the following directions below :

  1. Starting from room 3, go to room 1.
  2. From room 1, go to room 2.
  3. From room 2, go to room 4.
  4. From room 4, go to room 3.
  5. From room 3, go back to room 4.
  6. From room 4, go to room 2.
  7. From room 2, go back to room 4.
  8. From room 4, go to room 3 and a cutscene should be displayed on entering the room.

Do you still need help?

Are you still stuck somewhere in Persona Q or just need advice? Don’t be shy, you can sign up for an account at out 3DS forum and start a topic in the SMT/Persona Q forum to get answers.

About Gervais D.

Gervais is a Nintendo fan who loves to play a good game. His first owned Nintendo console was the NES, and he currently owns a blue 3DS XL.