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What is the correct solution set of the inequality \(\frac{3x-2}{4}>7\)?

Answer and explanation

Correct answer: \(x>10\)

Multiplying both sides by the positive number 4 does not reverse the inequality: \(3x-2>28\). Thus, \(3x>30\), giving \(x>10\). Option D is incorrect because the original inequality is strict; when \(x=10\), \(\frac{30-2}{4}=7\), and \(7>7\) is false. Exam tip: reverse the inequality sign only when multiplying or dividing by a negative number.

Related tags

Fractional InequalityLinear InequalityStrict InequalityOne VariableAlgebraic SolutionAlgebraic Solution Of Linear Inequalities In One VariableLinear InequalitiesMathematics

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