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the cost of a notebook is twice the cost of the pen. write a linear equation in two variable to represent this statement​

Sagot :

Answer:

Suppose pen cost is x.

The cost of a note book is 2x.

The total cost is 3x or y.

We can say that:-

[tex]x+2x=3x[/tex]

Or to produce a linear equation ,we can say:-

[tex]x+2x=y[/tex]

Where y is the total cost//3x.

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