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Find 2 * 5^-1 + 8 * 11^-1 (mod 56)

Express your answer as an integer from  0 to 55, inclusive.

 Dec 21, 2021
edited by Guest  Dec 21, 2021
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\(2 \cdot 5^{-1} + 8 \cdot 11^{-1} \equiv 2 \cdot 37 + 8 \cdot 5 \equiv \boxed{2} \pmod{56}\)

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 Dec 21, 2021

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