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The solution of ((5-2x)/3 ≥ x-4) is:

Answer and explanation

Correct answer: x≤17/5

Start with (5-2x)/3 ≥ x-4. Since 3 is positive, multiplying both sides by 3 does not reverse the inequality: 5-2x ≥ 3x-12. Add 12 to both sides and add 2x to both sides to obtain 17 ≥ 5x. Dividing by the positive number 5 preserves the direction, giving x≤17/5. Therefore option A is correct. The endpoint is included because the original sign is ≥, not >. A quick check at x=0 gives 5/3≥-4, which is true, and 0≤17/5 is also true. At x=4, the original inequality gives -1≥0, false, while 4≤17/5 is false. Option B reverses the solution direction, option C incorrectly excludes the equality endpoint, and option D has the wrong sign. The essential rule is to reverse an inequality only when multiplying or dividing by a negative number.

Related tags

Linear InequalitiesInequality SolvingFractionsClass 11Algebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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