pair of linear equation and find thier solution graphically

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pair of linear equation and find thier solution graphically

Postby maryam.aps1@gmail.com » Sun Jun 10, 2012 9:16 am

5 pencils and 7 pens together cost rs 50,whereas 7pencils and 5pens together cost rs 46.find thecost of one pencil and thatof one pen
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