WAEC 2024 · Paper 1 · Q8

If log⁡3(2x−1)=5\log_3(2x - 1) = 5, find the value of xx.

Worked solution (try it first)
  1. Change to index form: 2x−1=35=2432x - 1 = 3^5 = 243.
  2. Add 1: 2x=2442x = 244.
  3. Divide by 2: x=122x = 122, option D.

Report a problem with this question