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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 (12x+5y=61) and (3x-2y=4), what is the value of (x-y)?

Answer and explanation

Correct answer: (2)

Multiply the second equation by (4) to eliminate (x) and get (y=5). In exams, create equal coefficients instead of worrying about large numbers.

Related tags

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

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