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Mathematics
OpenStudy (anonymous):

3x congruendt 11(mod 18)? 3x congruendt 11(mod 18)? @Mathematics

OpenStudy (anonymous):

First we need to check if there is a solution. Get the GCD of 3 and 18. (3, 18) = 3 Then we see if 3 divides 11. It doesnt. So this congruence has no solution.

jimthompson5910 (jim_thompson5910):

Basically what joemath is saying is that the left side 3x is a multiple of 3, but the right side 11 is not a multiple of 3 (the closest multiple is 12). So 3x can never be equal to 11 for any value of x in mod 18

OpenStudy (anonymous):

ahhhh, i see thanks

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