Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Simplify the following. $6a + 3b - 2a - 5b$

(b)[2]

Find the value of $s$ when $t = 6$ and $a = 3$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Equivalent forms: $4a - 2b$ or $2(2a-b)$” …

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