ECZ 2016 · GCE Paper 1 — Algebra
Solve the simultaneous equations x + 4y = 16, x + y = 1.
- A. x = −4, y = 5
- B. x = 5, y = −4
- C. x = 4, y = 3
- D. x = 2, y = −1
Verified working — step 1
The x-coefficients already match, so subtracting the equations wipes x out in one move.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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