Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

(a)[1]

$a = 5b + 7$. Find the value of $a$ for $b = -2$.

(b)[2]

$c = 4d - 9$. Rearrange the formula so that $d$ is the subject.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: Answer: $-3$

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