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

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For (4x+ay=16) and (8x+10y=45) to have no solution, what is the value of (a)?

Answer and explanation

Correct answer: (a=5)

To make coefficients proportional, (4:8=a:10) must hold. This gives (a=5), while constants are not in the same ratio.

Related tags

Linear Equations No Solution Parameter Expert 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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