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What is the solution of (8-3(2-x)\le 5x-10)?

Answer and explanation

Correct answer: \(x\ge 6\)

Simplify the left-hand side: \(8-3(2-x)=8-6+3x=2+3x\). Thus, \(2+3x\le 5x-10\), which gives \(12\le 2x\). Dividing by 2 gives \(x\ge 6\). The close distractor \(x>6\) wrongly excludes \(x=6\), which must be included because the inequality contains \(\le\). Exam tip: An inequality sign does not reverse when dividing by a positive number.

Related tags

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

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