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What is the solution set of the inequality \(4x+3\ge 2x-5\)?

Answer and explanation

Correct answer: \(\{x\mid x\ge -4\}\)

Subtracting \(2x\) from both sides gives \(2x+3\ge -5\). Subtracting \(3\) and then dividing by \(2\) gives \(2x\ge -8\), so \(x\ge -4\). Therefore, the solution set is \(\{x\mid x\ge -4\}\). Option B reverses the inequality incorrectly, while options C and D mishandle equality at \(-4\). In an exam, remember that the inequality sign changes only when multiplying or dividing by a negative number.

Related tags

Solution SetSet NotationLinear InequalitiesOne VariableAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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