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Class 10 Mathematics Pair of Linear Equations in Two Variables Algebraic methods: Substitution method and Elimination method.Hard

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What is the value of (y) from (9x+5y=97) and (4x-5y=-12)?

Answer and explanation

Correct answer: (y=\frac{93}{13})

Adding both equations gives (13x=85). Substituting (x=\frac{85}{13}) gives (y=\frac{93}{13}).

Related tags

Linear Equations Elimination Fraction Value Hard Class 10 Algebraic Methods: Substitution Method And Elimination Method.Algebraic Methods Substitution Method And Elimination Method Pair Of Linear Equations In Two Variables

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