ECZ 2023 · GCE Paper 1 — Index Notation

Solve 5-3x = 125.

  • A. x = -1
  • B. x = 3
  • C. x = 1
  • D. x = -3

Verified working — step 1

125 = 53

The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.

Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

Have a different question?

Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.

Search any past-paper question

More Index Notation questions from past papers