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If the value of \(2x+3\) is greater than 15, what is the correct condition for \(x\)?

Answer and explanation

Correct answer: \(x>6\)

We have \(2x+3>15\). Subtracting 3 from both sides gives \(2x>12\). Dividing both sides by the positive number 2 gives \(x>6\). Option C is incorrect because “greater than” is a strict inequality, so 6 is not included. Exam tip: the inequality sign does not reverse when multiplying or dividing by a positive number.

Related tags

Linear InequalitiesOne Variable InequalitiesGreater ThanAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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