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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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What is the solution of (x+y=15) and (x=2y)?

Answer and explanation

Correct answer: ( (10,5) )

Putting (x=2y) gives (3y=15), so (y=5) and (x=10). Substitution is easiest when a ratio relation is given.

Related tags

Linear Equations Substitution Ratio Relation 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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