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Choose the solution of (-6+\frac{5x}{2}\le \frac{x-3}{4}).

Answer and explanation

Correct answer: \(x \le \frac{7}{3}\)

Multiplying both sides by the positive number 4 does not change the inequality sign: \(-24+10x\le x-3\). Hence \(9x\le21\), so \(x\le\frac{21}{9}=\frac{7}{3}\). Option B incorrectly excludes \(x=\frac{7}{3}\), which satisfies the inequality. Exam tip: Reverse an inequality only when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesOne VariableFractional CoefficientsAlgebraic SolutionClass 11Algebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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