Modular division can be performed by considering the related multiplication problem. For instance, if 5 ÷ 7 = x, then x · 7 = 5. Similarly, the quotient (5 ÷ 7) mod 8 is the solution to the congruence equation x · 7 ≡ 5 mod 8, which is 3. Find the given quotient. (8 ÷ 5) mod 9

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