Question

the cost of book is rs. 2 less than 3 times the cost of a pen .Express this statement as a linear equation in two variables
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Answer 1

Answer:

Step-by-step explanation:

Let the cost of book be x

Let the cost of pen be y

Equation:

X = 3y - 2

Answer 2

Answer: let cost be 2x

And pen cost be 3y

So, 3y = 2x - 3(3y)

Step-by-step explanation: