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Solve $|x| < |5 + 2x|$.
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: “State or imply the non-modular inequality $x^2 < (5 + 2x)^2$, or the equivalent equation, or the pair of linear equations $x = 5 + 2x$” …
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