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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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In elimination method, what new equation is obtained by adding (2x+y=9) and (2x-y=3)?

Answer and explanation

Correct answer: (4x=12)

On adding, (y) and (-y) cancel, so (4x=12). In elimination, check signs of like terms carefully.

Related tags

Linear Equations Elimination Adding Equations 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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