SOLUTION: Solve 40x is congruent to 777 (mod 1777).

Question 1092999: Solve 40x is congruent to 777 (mod 1777).
Answer by ikleyn(52943) (Show Source): You can put this solution on YOUR website!
.

Answer.  x = 1752.



Check.  40*1752 - 777 = 69303 = 39*1777.



How did I find it? - Using MS Excel in my computer.

                     and also knowing that 40x = 777 (mod 1777) means that the difference 40x - 777 is a multiple of 1777.

Solved.

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