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What is the number of solutions of 5x−10y=15 and x−2y=3?

Answer and explanation

Correct answer: Infinitely many solutions

Multiply the second equation x−2y=3 by 5. It becomes 5x−10y=15, exactly the first equation. Therefore both equations represent the same straight line, not two distinct intersecting or parallel lines. Every point on that line satisfies both equations, so the system has infinitely many solutions. Hence option D is correct.

Related tags

Linear EquationsDependent EquationsNumber Of SolutionsClass 10Conditions For SolvabilityPair Of Linear Equations In Two VariablesMathematicsClass 10 Mcq

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