Question #8613f

1 Answer
sente
Dec 4, 2016

x = 8x=8 in ZZ_14

Explanation:

In ZZ_14, we have 5*3 -= 15 -= 1+14 -= 1" (mod "14")"

This shows that 5 is the multiplicative inverse of 3 in ZZ_14. Using that, we have

3x-=10" (mod "14")"

=> 5*3x -= 5*10" (mod "14")"

=> x-=50-=8+3*14-=8" (mod "14")"

Giving us our answer of x = 8 in ZZ_14.

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