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The solution of ( \frac{1-2x}{5}\leq \frac{3-x}{2} ) is:

Answer and explanation

Correct answer: \(x\leq 13\)

Multiplying both sides by the positive number 10 gives \(2(1-2x)\leq 5(3-x)\), or \(2-4x\leq 15-5x\). Adding \(5x\) to both sides gives \(2+x\leq 15\), hence \(x\leq 13\). The closest distractor is \(x<13\), but \(x=13\) makes both sides equal, so it must be included. Exam tip: multiplying an inequality by a positive number does not reverse its sign.

Related tags

Linear InequalitiesOne VariableFractional InequalitiesAlgebraic SolutionInequality SignsAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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