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

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On solving (3x+y=19) and (x+y=9), what values of (x) and (y) are obtained?

Answer and explanation

Correct answer: (x=5,\ y=4)

Subtracting the second equation from the first gives (2x=10), so (x=5) and (y=4). Subtraction is correct to remove equal (y) terms.

Related tags

Linear Equations Elimination Solution Pair Easy 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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