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13x mod 77=6

 

what x?

 Apr 2, 2018
 #1
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"13x mod 77=6

 

what x?"

 

x = 9  (also, x = 19, 29, ... etc.)

 Apr 2, 2018
 #2
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13x mod 77=6

 

what x?

 

Please show me the steps of the solution 

 Apr 2, 2018

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