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SMO 2016 Senior Round 1 Question 4

SMO · SMO 2016 Senior Round 1

Question 4

Solve for x in the following equation $$\log_9 x+\log_3(27 x)=30.$$
  1. $3^{16}$
  2. $3^{17}$
  3. $3^{18}$
  4. $3^{19}$
  5. $3^{20}$