Question

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

Answer 1

Step-by-step explanation:

Let the cost of pen = x rs

Let the cost of notebook = y rs

${\small{\tt{\red{Linear\ equation \ is}}}}$

${\small{\implies{\tt{\blue{2x = y }}}}}$

${\small{\implies{\underline{\underline{\tt{\blue{2x - y = 0 }}}}}}}$