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What is the correct solution of the inequality 2x − 7 < 5?

Answer and explanation

Correct answer: x < 6

The governing rule is that an inequality remains equivalent when we add or subtract the same quantity from both sides. Starting with 2x − 7 < 5, add 7 to both sides: 2x < 12. Now divide both sides by 2. Since 2 is positive, the inequality symbol keeps its direction, giving x < 6. Therefore option A is correct. Option B reverses the solution without justification, option C incorrectly changes the sign of the answer, and option D includes x = 6 even though substituting x = 6 gives 12 − 7 = 5, which does not satisfy the strict inequality.

Related tags

Linear-InequalitiesAlgebraic-SolutionOne-VariableAlgebraic Solution Of Linear Inequalities In One VariableLinear InequalitiesMathematicsClass 11 Mcq

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