Question

Q-1. The cost of a book is twice the cost of a pen by 20. Express this statement as a linear equation?

. ° . Find the answer.​

Answer 1

Answer:

Step-by-step explanation:

Let the cost of pen be x rupees. Then twice the cost of pen = 2 ☓ x rs. Twice the cost of pen = 2x rupres.

Step-by-step explanation:

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Answer 2

Answer:

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