Question

The cost of a notebook is twice the cost of a pen.Write the linear equation in two variable​

Answer 1

Let the cost of notebook be x and let the cost of pen be y

therefore,

2x+y=the total cost

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or

2x+y

Answer 2

Answer:

hey! mate

let the cost be x. and cost of book be y then the equation would be y=2x

Step-by-step explanation:

hope this helps you!