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Choose the solution of 4x + 3 ≥ 2x + 11.

Answer and explanation

Correct answer: x ≥ 4

This is an algebraic solution of a linear inequality in one variable. First subtract 2x from both sides: 2x + 3 ≥ 11. Next subtract 3: 2x ≥ 8. Dividing by the positive number 2 does not reverse the inequality sign, so x ≥ 4. Therefore option A is correct, and the solution set includes 4 and every number greater than 4. Option B incorrectly reverses the direction without a negative division. Options C and D confuse the constant 7 that may appear during an incomplete rearrangement with the actual boundary value. A quick check confirms the result: x = 4 gives 19 ≥ 19, while x = 5 gives 23 ≥ 21.

Related tags

Linear InequalitiesAlgebraic SolutionOne VariableClass 11Algebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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