Question

cost of book is twice the cost of a pen . write a linear equation in two variables to represent this statement

Answer 1

Let the cost of book be x
Let the cost of pen be y
According to the given condition..
The equation would be..
x = 2 y or x - 2y = 0

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Answer 2

HEYA!!
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Let the Cost of book be Rs.X

Let the Cost of Pen be Rs . Y

According to the given question:

X = 2 Y

X - 2Y = 0

This is the required linear equation .


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