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Find the solution of the inequality \(\frac{x-1}{3}+\frac{x+2}{2}\leq 4\).

Answer and explanation

Correct answer: \(x\leq 4\)

The least common multiple of the denominators 3 and 2 is 6. Multiplying both sides by 6 gives \(2(x-1)+3(x+2)\leq 24\). Thus, \(2x-2+3x+6\leq 24\), so \(5x+4\leq 24\), which leads to \(5x\leq 20\) and hence \(x\leq 4\). Therefore, option A is correct. Remember that multiplying or dividing an inequality by a positive number does not reverse its sign.

Related tags

Linear InequalitiesOne Variable InequalitiesFractional InequalitiesAlgebraic SolutionAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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