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For the equation \(x+y=7\), what is the value of \(y\) when \(x=2\)?

Answer and explanation

Correct answer: 5

Substituting \(x=2\) in the equation gives \(2+y=7\). Therefore, \(y=7-2=5\), so option A is correct. The value 7 is the right-hand side of the equation, not the value of \(y\). For the graphical method, the point \((2,5)\) can be plotted on the line.

Related tags

Linear EquationsGraphical MethodSubstitutionOrdered PairsGraphical Method Of Finding Solutions.Graphical Method Of Finding SolutionsPair Of Linear Equations In Two VariablesMathematics

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