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What is the correct solution of the inequality 5 − 2x > −11?

Answer and explanation

Correct answer: x < 8

Apply equivalent operations carefully, especially division by a negative number. From 5 − 2x > −11, subtract 5 from both sides to obtain −2x > −16. Dividing by −2 reverses the inequality sign because multiplication or division by a negative number reverses order. Thus x < 8, making option A correct. A quick check confirms this: if x = 0, the original expression gives 5 > −11, which is true, and 0 is indeed less than 8. Option B results from forgetting the reversal, option C changes the magnitude incorrectly, and option D includes the endpoint 8, although x = 8 gives equality rather than a strict greater-than result.

Related tags

Linear-InequalitiesNegative-DivisionAlgebraic-SolutionAlgebraic Solution Of Linear Inequalities In One VariableLinear InequalitiesMathematicsClass 11 Mcq

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