Question

the cost of notebook is twice the cost of the pen write a linear equation two variable to represent the statement

Answer 1

Let the cost of the notebook be x
Let the cost of the pen be y
As per the question, the equation is x=2y.

Glad to be of help.

Answer 2

$\large{\underline{\mathrm{\red{Answer:-}}}}$

let the cost of notebook be Rs.x

Let the cost of pen be Rs.y

$\qquad\sf{Cost\:of\:notebook=2(cost\:of\:pen)}$

$\implies$ x = 2y

or,

x-2y = 0

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