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Which is the solution of ( -\frac{1}{2}(x-6)\leq \frac{3x+2}{4} )?

Answer and explanation

Correct answer: \(x\geq 2\)

Multiplying both sides by the positive number 4 does not reverse the inequality: \(-2(x-6)\leq 3x+2\). Thus, \(-2x+12\leq 3x+2\), so \(10\leq 5x\), giving \(x\geq 2\). The closest distractor is \(x>2\), but \(x=2\) makes both sides equal, so 2 must be included. Exam tip: reverse an inequality sign only when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesOne VariableFractional CoefficientsAlgebraic SolutionInequality RulesAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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