ECZ 2010 · O-Level Paper 1 — Matrices
Given that 2x-41 34 = 10-8, find the value of x.
- A. 1
- B. -1
- C. 4
- D. 2
Verified working — step 1
The top row gives 2(3) + x(4) = 10, so 6 + 4x = 10 and x = 1. The bottom row checks: -4(3) + 1(4) = …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