Question

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

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Answer 1

x= notebook y=pen

let x=y/2

2x=y

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Answer 2

Hey mate!!

Here's your answer

let the cost of notebook be Rs x

let the cost of pen be Rs y

Given cost of notebook is twice as the cost of pen

cost of notebook = 2 * cost of pen

x = 2y

x-2y=0

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