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Solve the inequality \(4-(x-3)\geq 2x+1\).

Answer and explanation

Correct answer: \(x\leq 2\)

First remove the bracket: \(4-(x-3)=4-x+3=7-x\). Thus, \(7-x\geq 2x+1\), which gives \(6\geq 3x\). Dividing both sides by the positive number \(3\) yields \(x\leq 2\), so option A is correct. Option B incorrectly reverses the inequality; the sign does not change when dividing by a positive number. Exam tip: reverse the inequality sign only when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesBracketsInequality SignsAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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