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Find the solution of the following inequality: 2(3x + 4) > 4x + 18

Answer and explanation

Correct answer: x > 5

Expanding the brackets gives 6x + 8 > 4x + 18. Subtracting 4x and 8 from both sides yields 2x > 10, so x > 5. Therefore, option A is correct. Option C incorrectly includes x = 5; substituting x = 5 makes both sides equal, whereas the given inequality is strict. Exam tip: For a strict inequality using > or <, the boundary value is not included.

Related tags

Linear InequalitiesAlgebraic SolutionStrict InequalityOne VariableAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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