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Find the solutions of $|x + a| = |2x - 5a|$, expressing $x$ in terms of the positive constant $a$.
Mathematics 9709 · AS & A Level · Algebra
Algebra — practice question
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Equivalent non-modulus equation $(x+a)^2=(2x-5a)^2$ or the related pair of linear equations” …
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