Respuesta :

barnuts

Let us say that:

x = age of Melanie

y = age of Bill = 5

 

We are given that:

x = 2 y + 2

 

Solving for x by substituting the value of y:

x = 2 * 5 + 2

x = 10 + 2

x = 12

 

So Melanie is 12 years old.

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