ECZ 2017 · GCE Paper 1 — Matrices

Given that 2x-51 43 = 14-17, find the value of x.

  • A. 6
  • B. 2
  • C. −2
  • D. 3

Verified working — step 1

Only the TOP row contains x - multiply it along the column and match it to the product's top entry.

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

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