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If (p>0), what is the solution of (-p(4x+1)<2p(3-x))?

Answer and explanation

Correct answer: \(x>-\frac{7}{2}\)

Since \(p>0\), dividing by \(p\) does not reverse the inequality: \(-(4x+1)<2(3-x)\). Thus, \(-4x-1<6-2x\), so \(-7<2x\), giving \(x>-\frac{7}{2}\). Option B has the inequality direction reversed. Exam tip: reverse an inequality only when multiplying or dividing by a negative quantity.

Related tags

Linear InequalitiesOne VariableAlgebraic SolutionClass 11Inequality RulesAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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