Question

The cost of a pen is three times the cost of a pencil .A linear equation in two variables to represent this statement is__(Take the cost of a pen Rs.x and that of pencil to be Rs y​

Answer 1

Let the cost of a pen be x and the cost of a pencil be y

According to the statement, cost of a pen is thrice the cost of a pencil

⇒x=3y

⇒x−3y=0 which is a linear equation in two variables

Answer 2

Answer:

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