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Variable Vault Level 1 Medium maths puzzle involving algebra, clues, codeword and dials

Variable Vault – Level 1 – Medium

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Topics: algebra, clues, codeword, dials, systems of equations, vault

Four lettered dials (A, B, C, D) unlock a vault. Each dial must be set to the correct number based on the clues below. Solve all clues to find the code: the 4-digit number ABCD.

Crack the vault code using these clues:

– C + D + B + A = 11
C = B + 2
B + A = 5
A + B = C + D – 1
A + B + C = 10

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Additional instructions for Variable Vault (Level 1, Medium)

Variable Vault – Medium

Use structure: treat each clue as “input → process → output”.

  • Input: the given expression/equation.
  • Process: expand, collect like terms, isolate.
  • Output: the requested value (variable, coefficient, or constant).

Check: ensure your final answer is in the requested form.

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