Mathematics 0580 · IGCSE · Equations

Equations — practice question

The relation $r = 2t + 3u$ is provided.
(main)[2]

Find the value of $t$ when $r = 18$ and $u = 4$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method using $18 = 2t + (3 \times 4)$ or equivalent” …

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