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Find all solutions to each congruence. (a) 2x − 3 ≡ 2 (mod 7) (b) 3x...

Find all solutions to each congruence.

(a) 2x − 3 ≡ 2 (mod 7)

(b) 3x + 4 ≡ 1 (mod 5)

(c) 3x ≡ 6 (mod 9)

(d) 14x ≡ 11 (mod 15)

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