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What is the solution of (\frac{9x+4}{5}\ge 2x-3)?

Answer and explanation

Correct answer: \(x\le 19\)

Multiplying both sides by the positive number \(5\) does not reverse the inequality: \(9x+4\ge 10x-15\). Rearranging gives \(19\ge x\), or \(x\le 19\). The closest distractor, \(x<19\), is incorrect because \(x=19\) also satisfies the inequality. Exam tip: reverse an inequality sign only when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesOne VariableAlgebraic SolutionFractional InequalityClass 11 MathematicsAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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