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. Find the number of solutions to the following congruence. 1. x = 1 mod 108. 2. x-1 mod 244. Find the solutions of

. Find the number of solutions to the following congruence. 1. x = 1 mod 108. 2. x-1 mod 244. Find the solutions of the system of congruences: 1. x + 3y = 1 mod 5, 3x + 4y = 2 mod 5. 2. x - 2y = 1 mod 4, 2x - y = 3 mod 4.

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