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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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If (3x+2y=28) and (5x-4y=8), what is the value of (x-y)?

Answer and explanation

Correct answer: (\frac{6}{11})

Multiply the first equation by (2) and eliminate (y). (x=\frac{64}{11}) and (y=\frac{58}{11}), so (x-y=\frac{6}{11}).

Related tags

Linear Equations Elimination Expression 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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