I cannot formulate a proof that yields the results of a unique solution. If someone could please guide me through a proof I would be most thankful!
2026-05-05 10:48:29.1777978109
Let n ≥ 2. Prove that the linear congruence nx ≡ b (mod n + 1) has a unique solution mod n + 1 for any b ∈ Z.
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