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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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If (x+4y=19) and (x-y=4), what will be the values of (x) and (y)?

Answer and explanation

Correct answer: (x=7,\ y=3)

From the second equation (x=y+4); substituting gives (5y+4=19), so (y=3) and (x=7). Choose the simpler equation for substitution.

Related tags

Linear Equations Substitution 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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