Question

The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be
$x$ and that of a pen to be$y$)​

Answer 1

Step-by-step explanation:

Let’s assume

The cost of a notebook = Rs. x

The cost of a pen = Rs. y

As per the given statement

The cost of a notebook (x) is twice the cost of a pen(y).

x = 2y.

x – 2y = 0

x – 2y = 0 is the linear equation in two variables that represent the given statement.

Answer 2

Answer:

Cost of notebook 》

$\mid\green{x}$

Cost of pen 》

$\mid\orange{2y}$

•Therefore, equation is》

$\huge\red{ 2y - x = 0}$

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