ECZ 2026 · GCE Paper 1 — Index Notation
Solve the equation 43x = 8.
- A. x = 23
- B. x = 12
- C. x = 32
- D. x = 13
Verified working — step 1
Write both sides as powers of the same base. 4 and 8 are both powers of 2, and once the bases match the indices must be equal.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.
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