Construct a linear equation in two variables for the situation and represent it graphically.
Situation: Suppose you have Rs.60 to spend. You went to stationery shop to buy some pencils and
some pens. Cost of one pencil is Rs.2 and the cost of one pen is Rs.4. Find the number of pencils
and pens bought by you from the shop.
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Answer:
60 = 2x + 4y.
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