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What is the value of \(m\) in the equation \(m-4=9\)?

Answer and explanation

Correct answer: 13

To isolate \(m\), add 4 to both sides of the equation: \(m-4+4=9+4\). Therefore, \(m=13\). Option A results from subtracting 4 instead of using the required inverse operation. Exam tip: Apply the same inverse operation to both sides when solving a linear equation.

Related tags

AlgebraLinear EquationsOne Variable EquationsGrade 9General Chapter PracticeCommon QuestionsCommonMathematics

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