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Find the solution of the inequality \(2(x+3)\le x+10\).

Answer and explanation

Correct answer: \(x\le 4\)

Expand and simplify: \(2(x+3)=2x+6\), so \(2x+6\le x+10\). Subtract \(x\) from both sides to get \(x+6\le 10\). Subtract 6 to obtain \(x\le 4\). Thus the solution is \(x\le 4\). On the nearest distractor: option C \(x<4\) excludes \(x=4\) which is a valid solution because the inequality allows equality. Exam tip: adding or subtracting terms does not change the inequality direction; only multiply/divide by a negative number reverses the inequality sign.

Related tags

Linear InequalitiesAlgebraOne-Variable InequalitiesInequality ManipulationAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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