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Which is the solution of \(6x+4\le 22\)?

Answer and explanation

Correct answer: \(x\le 3\)

The governing concept is solving a two-step linear inequality while preserving its direction under positive division. Begin with 6x + 4 ≤ 22. Subtract 4 from both sides: 6x ≤ 18. Divide both sides by 6, which is positive, so the sign remains unchanged: x ≤ 3. Therefore option A is correct. Substitution at the boundary gives 6(3) + 4 = 22, and equality is allowed because the original sign is ≤. Values less than 3 also work, while values greater than 3 do not. Options B and D reverse the direction without reason, and option C uses an incorrect result of the division.

Related tags

Linear InequalitiesTwo-Step SolvingPositive DivisionAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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