In a shop the cost of 2 pencils and 3 erasers is ₹9 and the cost of 4 pencils and 6 erasers is ₹18. Find the cost of each pencil and each eraser.

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Dependent Pair of Linear Equations in Two Variables | PadhAiPro

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TextDependent Pair of Linear Equations in Two Variables

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The value of 'p' for which the equations px + 3y = p – 3, 12x + py = p has infinitely many solutions is :

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