Question

1. 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 Rs x and that of a pen to be Rs y).​

Answer 1

Answer:

Let the cost of a notebook be Rs. x and that of a pen be Rs. y.

Given the cost of a notebook is twice the cost of a pen.

Then x=2y

or, x−2y=0.

This is the required linear equation in two variable.

Step-by-step explanation:

please mark this answer as a brainliest.

Answer 2

answers. ----

2 X = Y

X + Y = X + X