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

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The sum of two numbers is (14) and their difference is (4). What are the greater and smaller numbers?

Answer and explanation

Correct answer: ( (9,5) )

Adding (x+y=14) and (x-y=4) gives (2x=18), so (x=9) and (y=5). In word problems, form equations first.

Related tags

Linear Equations Word Problem Elimination Medium 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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