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TIMO - 2018 - Grade 9 - Preliminary Round - Paper 4 Question 13

TIMO · TIMO - 2018 - Grade 9 - Preliminary Round - Paper 4

Question 13

Given $2x\equiv322\pmod{19}$, find the minimum value of $\lvert x\rvert$.
  1. 10
  2. 18
  3. 9
  4. 1