Melanie is 2 years older than twice bill's age. bill is 5 years old. how old is melanie?

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.